CN203337276U - Contact box of built-in overheating protection device - Google Patents
Contact box of built-in overheating protection device Download PDFInfo
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- CN203337276U CN203337276U CN2013204461239U CN201320446123U CN203337276U CN 203337276 U CN203337276 U CN 203337276U CN 2013204461239 U CN2013204461239 U CN 2013204461239U CN 201320446123 U CN201320446123 U CN 201320446123U CN 203337276 U CN203337276 U CN 203337276U
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Abstract
The utility model discloses a contact box of a built-in overheating protection device. The contact box comprises a contact box body. A busbar mounting hole, a busbar fixing hole and a static contact seat fixing hole are arranged on the contact box body. The inner wall of the contact box body is connected with a copper gasket. The copper gasket is connected with a temperature detection circuit board. The temperature detection circuit board is provided with a temperature sensor. A temperature acquisition and transmission device is arranged in the busbar mounting hole. The temperature acquisition and transmission device comprises a casing body, an induction power supply module and a temperature acquisition and transmission circuit board, wherein the induction power supply module and the temperature acquisition and transmission circuit board are arranged in the casing body. The casing body is buckled and connected with a casing cover. The temperature acquisition and transmission circuit board is provided with a temperature acquisition and transmission circuit. The temperature sensor is connected with the temperature acquisition and transmission circuit. The temperature acquisition and transmission circuit is wirelessly connected with and communicates with an overheating protection host through a second wireless transmitting and receiving module. The contact box provided by the utility model has the advantages of novel and reasonable design, high temperature detection accuracy, strong practicability and convenient popularization and use, and can directly determine whether a static contact is overheating.
Description
Technical field
The utility model relates to a kind of contact box, especially relates to a kind of contact box of embedded overtemperature protection system.
Background technology
Contact box is insulating element commonly used in 6KV～35KV high-tension switch cabinet, is arranged on dynamic and static contact wherein in work because the reasons such as cooperation very easily produce distortion or loose contact, causes the contact site temperature to raise, and 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 contact box in service, be very necessary.Also occurred in prior art that some can monitor the contact box of dynamic and static contact temperature in contact box, but have following defect and deficiency: the temperature-sensitive unit 1) had is to bundle temperature-sensitive on 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, departs from static contact, and measuring temperature parameter is not the temperature parameter of heat generating spot, is also approximate measure; The disclosed intelligent temperature of the Chinese patent that for example application number is 201210095000.5, humidity, electric current on-line real time monitoring contact box; 3) utilize far measurement temperature, due to the impact of box body interior reflective surface, the temperature parameter of measurement is also surperficial measurement temperature, is not actual temperature; 4) because the temperature of contact is higher, therefore, when application packed battery thermometric, the shorter battery life or the blast that cause due to excess Temperature probably occur, and need to change battery, very inconvenient; The structure of the disclosed high voltage temperature on-line monitoring optronic switching contact box of Chinese patent that 5) application number is 200510126612.6, technique is more complicated; Safeguard inconvenient; Change the contact box part-structure, cause insulativity to be under some influence; Connect by line between contact box and main frame, destroy one-piece construction in cabinet; 7) the disclosed contact box with temperature measuring equipment of the Chinese patent that application number is 200620028532.7, 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.8) the direct-connected contact box structure of the disclosed high-voltage on-line temperature monitoring of photo-electric conversion embedded optical fiber of the Chinese patent that application number is 200710008553.1, technique is more complicated; Safeguard inconvenient; Change the contact box part-structure, cause insulativity to be under some influence; Connect by line between contact box and main frame, destroy one-piece construction in cabinet; The impacts such as that optical fiber is exposed to is contaminated in air, electro-conductive dust, humidity, can produce high voltage and cause the accident along the optical fiber surface flashover.The structure of the disclosed a kind of high-voltage on-line temperature monitoring wireless transmit contact box of the Chinese patent that 9) application number is 201020603131.6, changed the contact box part-structure, causes insulativity to be under some influence; 10) the disclosed a kind of contact box with temperature detecting function of the Chinese patent that application number is 201120297484.2, 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; 11) Chinese patent that application number is 201120533754.5 discloses a kind of contact of breaker box, and technique is more complicated; The temperature measuring equipment sealing in contact box, contact box insulativity variation; Real time temperature can't be observed and can't carry out overheated maintenance.
The utility model content
Technical problem to be solved in the utility model 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 directly judge that 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 adopted in the utility model is: a kind of contact box of embedded overtemperature protection system, comprise the contact box box body, one side upper end of described contact box box body is provided with the busbar mounting hole, a side near the busbar mounting hole in 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 described copper backing, be provided with on described temperature detection circuit board for the temperature to static contact and carry out the temperature sensor detected in real time, be provided with temperature acquisition and transmitting device in described busbar mounting hole, described temperature acquisition and transmitting device comprise housing and are arranged on by the induction power supply module in housing and temperature acquisition and transmission circuit plate, on described housing, engagement connection has cap, described temperature detection circuit board embeds and is arranged on described cap, be provided with temperature acquisition and transmission circuit on described temperature acquisition and transmission circuit plate, described temperature sensor joins with described temperature acquisition and transmission circuit, the overheating protection main frame wireless connections that described temperature acquisition and transmission circuit are outer with being arranged on the contact box box body by the second radio receiving transmitting module are also communicated by letter.
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 shell body and form with the inner housing that shell body forms the rectangular box shape, and described induction power supply module and temperature acquisition and transmission circuit plate all are arranged in the space surrounded by shell body and inner housing; Be filled with casting glue in space between described induction power supply module, temperature acquisition and transmission circuit plate, shell body and inner housing; Described induction power supply module comprises and is set with coil fixing support around the siliconized plate be arranged between described shell body and inner housing on described siliconized plate, on described coil fixing support, is wound with inductive coil.
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 joined with the first microprocessor module and the current rectifying and wave filtering circuit module that is temperature acquisition and each electricity consumption module required voltage of transmission circuit for the voltage transitions by inductive coil output, 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 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 forms by the second infrared receiving tube with 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, the output terminal of described the second microprocessor module is connected to the liquid crystal display circuit module, for the relay of output alarm signal with for the hummer of the alerting signal of 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: on the side inwall away from the busbar mounting hole in described contact box box body, be provided with interior cluster parachute; described contact box box body is away from the outside one-body molded contact box mount pad that has of a side of busbar mounting hole; be provided with a plurality of contact boxs on described contact box mount pad fixed orifice is installed, on the contact box box body between described busbar fixed orifice and contact box mount pad, be 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 described copper backing; be provided with the second threaded hole matched with the first threaded hole on 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 the bolt in the second threaded hole, and described copper backing all is fixedly connected with the inwall of described contact box box body by casting glue with temperature detection circuit board.
The utility model compared with prior art has the following advantages:
1, the utility model is simple in structure, rationally novel in design, and it is convenient to realize.
2, the utility model is easy for installation, when contact box is installed the overtemperature protection system successful installation formed by temperature detection circuit board and temperature acquisition and transmitting device, and, safeguard with maintenance very convenient.
3, the utility model is each electricity consumption module for power supply in temperature acquisition and 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 while having avoided using powered battery are changed battery, inconvenience and easily blasted.
4, the utility model is because copper backing is connected with the busbar fixed orifice; and temperature sensor mounted temperature detection circuit board is arranged on 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 utility model 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 utility model practical, result of use is good, is convenient to promote the use of.
In sum, the utility model is simple in structure, rationally novel in design, and it is convenient to realize, can directly judge that whether static contact is overheated, and the temperature detection degree of accuracy is high, practical, and result of use is good, is convenient to promote the use of.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
The accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
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.
The structural representation that Fig. 4 is the utility model temperature acquisition and transmitting device.
The A-A view that Fig. 5 is Fig. 4.
The B-B view that Fig. 6 is Fig. 4.
The annexation schematic diagram that Fig. 7 is the utility model temperature detection circuit board and temperature acquisition and transmitting device.
Fig. 8 is schematic block circuit diagram of the present utility model.
Description of reference numerals:
Embodiment
As Fig. 1, shown in Fig. 2 and Fig. 3, the utility model comprises contact box box body 1, one side upper end of described contact box box body 1 is provided with busbar mounting hole 2, the interior side near busbar mounting hole 2 of 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 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 described copper backing 11, be provided with on described temperature detection circuit board 12 for the temperature to static contact and carry out the temperature sensor 13 detected in real time, be provided with temperature acquisition and transmitting device 3 in 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 housing and temperature acquisition and transmission circuit plate 3-5, on described housing, engagement connection has cap 3-6, described temperature detection circuit board 12 embeds and is arranged on described cap 3-6, be provided with temperature acquisition and transmission circuit 3-51 on described temperature acquisition and transmission circuit plate 3-5, described temperature sensor 13 joins with described temperature acquisition and transmission circuit 3-51, overheating protection main frame 4 wireless connections that described temperature acquisition and transmission circuit 3-51 are outer with being arranged on contact box box body 1 by the second radio receiving transmitting module 14 are also communicated by letter.Wherein, temperature detection circuit board 12 and temperature acquisition and transmitting device 3 have formed the overtemperature protection system be embedded in contact box.
As shown in Figure 4, Figure 5 and Figure 6, in the present embodiment, described housing is by shell body 3-7 and be sleeved in shell body 3-7 and form with the inner housing 3-8 that shell body 3-7 forms 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 surrounded by shell body 3-7 and inner housing 3-8; Be filled with casting glue in space between described induction power supply module, temperature acquisition and transmission circuit plate 3-5, shell body 3-7 and 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 be arranged between described shell body 3-7 and inner housing 3-8 on described siliconized plate 3-10, on described coil fixing support 3-11, is wound with inductive coil 3-9.
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 joined with first microprocessor module 3-1 and the current rectifying and wave filtering circuit module 3-3 that is temperature acquisition and each electricity consumption module required voltage of transmission circuit 3-51 for the voltage transitions by inductive coil 3-9 output, 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 joined successively, filter circuit module 3-42 and A/D change-over circuit module 3-43 form, 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, on described current rectifying and wave filtering circuit module 3-3, be connected to external power interface 17, outer being exposed on the outer wall of described shell body 3-7 of described external power interface 17.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 forms by the second infrared receiving tube 14-1 with 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 joined 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, the output terminal of described the second microprocessor module 4-1 is connected to liquid crystal display circuit module 4-5, for the relay 4-7 of output alarm signal with for the hummer 4-6 of the alerting signal of 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.
As shown in Figure 1, Figure 2 and Figure 3, in the present embodiment, be provided with interior cluster parachute 7 on a side inwall away from busbar mounting hole 2 in described contact box box body 1, described contact box box body 1 is away from the outside one-body molded contact box mount pad 8 that has of a side of busbar mounting hole 2, be provided with a plurality of contact boxs on described contact box mount pad 8 fixed orifice 9 is installed, be provided with outer cluster parachute 10 on the contact box box body 1 between described busbar fixed orifice 5 and contact box mount pad 8.
In conjunction with Fig. 7, in the present embodiment, be provided with the first threaded hole on described copper backing 11, be provided with the second threaded hole 15 matched with the first threaded hole on 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 the bolt 16 in the second threaded hole 15, and described copper backing 11 all is fixedly connected with the inwall of described contact box box body 1 by casting glue with temperature detection circuit board 12.
Installation process during of the present utility model use is: 1) induction power supply module and temperature acquisition and transmission circuit plate 3-5 are put into to the space surrounded by shell body 3-7 and inner housing 3-8, and the output signal line of the temperature sensor 13 on temperature detection circuit board 12 is connected with the input signal cable of amplifying circuit module 3-41 on temperature acquisition and transmission circuit plate 3-5; 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 is embedded and is arranged on cap 3-6 above, 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 to 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 busbar fixed orifice 5, with through the second threaded hole 15 and the bolt 16 that is arranged on the first threaded hole on copper backing 11, temperature detection circuit board 12 being fixed on copper backing 11, use again the casting glue embedding, make copper backing 11 and temperature detection circuit board 12 all firmly be fixed on the inwall of contact box box body 1 by casting glue; 5) busbar is penetrated in contact box in the hole of the housing of formation temperature acquisition and transmitting device 3, and use through busbar the bolts that penetrate in busbar fixed orifice 5 busbar is fixed in contact box, then fixed contact pedestal is put into to contact box, and use through fixed contact pedestal and busbar the bolts that penetrate in fixed contact pedestal fixed orifice 6 fixed contact pedestal is fixed in contact box, owing to being fixed with static contact on fixed contact pedestal, therefore so just fixed static contact.Because copper backing 11 is connected with described busbar fixed orifice 5, therefore, the 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 utility model is used is: 1) by the key circuit module 4-4 on operation overheating protection main frame 4, the static contact temperature threshold is set, the second microprocessor module 4-1 is stored the static contact temperature threshold arranged, 2), after busbar energising, the voltage that inductive coil 3-9 induction produces carries out after voltage transitions each electricity consumption module in 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 in signal conditioning circuit module 3-4 and A/D change-over circuit module 3-43 are amplified, are exported to first microprocessor module 3-1 after filtering and A/D conversion process signal successively, the signal that first microprocessor module 3-1 receives it carries out analyzing and processing, obtains the real time temperature of static contact and is stored, first microprocessor module 3-1 in 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 overheating protection main frame 4 receives the real time temperature signal of static contact by the second infrared receiving tube 14-1, controlling liquid crystal display circuit module 4-5 shows in real time, and the static contact temperature threshold of the real time temperature of static contact and storage is compared, when the real time temperature of static contact surpasses the static contact temperature threshold, the second microprocessor module 4-1 controls the hummer 4-6 alerting signal of sounding, and pilot relay 4-7 connects, for output alarm signal, remind the staff to take corresponding measure.
The above; it is only preferred embodiment of the present utility model; not the utility model is imposed any restrictions; every any simple modification of above embodiment being done according to the utility model technical spirit, change and equivalent structure change, and all still belong in the protection domain of technical solutions of the utility model.
Claims (10)
1. the contact box of an embedded overtemperature protection system, comprise contact box box body (1), one side upper end of described contact box box body (1) is provided with busbar mounting hole (2), a side near busbar mounting hole (2) in 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 described copper backing (11), be provided with on described temperature detection circuit board (12) for the temperature to static contact and carry out the temperature sensor (13) detected in real time, be provided with temperature acquisition and transmitting device (3) in 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 housing and temperature acquisition and transmission circuit plate (3-5), on described housing, engagement connection has cap (3-6), described temperature detection circuit board (12) embeds and is arranged on described cap (3-6), be provided with temperature acquisition and transmission circuit (3-51) on described temperature acquisition and transmission circuit plate (3-5), described temperature sensor (13) joins with described temperature acquisition and transmission circuit (3-51), overheating protection main frame (4) wireless connections that described temperature acquisition and transmission circuit (3-51) are outer with being arranged on contact box box body (1) by the second radio receiving transmitting module (14) are also communicated by letter.
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 shell body (3-7) and form with the inner housing (3-8) that shell body (3-7) forms 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 surrounded by shell body (3-7) and inner housing (3-8); Be filled with casting glue in space between described induction power supply module, temperature acquisition and transmission circuit plate (3-5), shell body (3-7) and inner housing (3-8); Described induction power supply module comprises around the siliconized plate (3-10) be arranged between described shell body (3-7) and inner housing (3-8), be set with coil fixing support (3-11) on described siliconized plate (3-10), be wound with inductive coil (3-9) on 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) joined with first microprocessor module (3-1) and the current rectifying and wave filtering circuit module (3-3) that is temperature acquisition and each electricity consumption module required voltage of transmission circuit (3-51) for the voltage transitions by inductive coil (3-9) output, 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) form, 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 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) forms by the second infrared receiving tube (14-1) with 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), the output terminal of described the second microprocessor module (4-1) is connected to liquid crystal display circuit module (4-5), for the relay (4-7) of output alarm signal with for the hummer (4-6) of the alerting signal of 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: on the side inwall away from busbar mounting hole (2) in described contact box box body (1), be provided with interior cluster parachute (7); described contact box box body (1) is away from the outside one-body molded contact box mount pad (8) that has of a side of busbar mounting hole (2); be provided with a plurality of contact boxs on described contact box mount pad (8) fixed orifice (9) is installed, be positioned on the contact box box body (1) between described busbar fixed orifice (5) and 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) matched with the first threaded hole on 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 the bolt (16) in the second threaded hole (15), described copper backing (11) all is fixedly connected with the inwall of described contact box box body (1) by casting glue with temperature detection circuit board (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013204461239U CN203337276U (en) | 2013-07-24 | 2013-07-24 | Contact box of built-in overheating protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013204461239U CN203337276U (en) | 2013-07-24 | 2013-07-24 | Contact box of built-in overheating protection device |
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| Publication Number | Publication Date |
|---|---|
| CN203337276U true CN203337276U (en) | 2013-12-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013204461239U Withdrawn - After Issue CN203337276U (en) | 2013-07-24 | 2013-07-24 | Contact box of built-in overheating protection device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103364100A (en) * | 2013-07-24 | 2013-10-23 | 西安盛华安电气科技有限公司 | Contact box with built-in over-temperature protection device |
| CN105244712A (en) * | 2014-07-10 | 2016-01-13 | 廖生兴 | Connecting wire device with overheating protection function and adaptor structure |
| CN107091982A (en) * | 2016-02-18 | 2017-08-25 | 浙江正泰电器股份有限公司 | the temperature collecting device of breaker |
| CN108767664A (en) * | 2018-07-28 | 2018-11-06 | 浙江雷安电气有限公司 | A kind of contact box |
| CN116316240A (en) * | 2023-03-06 | 2023-06-23 | 江苏坤威电力科技有限公司 | High-low voltage switch cabinet based on regional internet of things management |
-
2013
- 2013-07-24 CN CN2013204461239U patent/CN203337276U/en not_active Withdrawn - After Issue
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103364100A (en) * | 2013-07-24 | 2013-10-23 | 西安盛华安电气科技有限公司 | Contact box with built-in over-temperature protection device |
| CN105244712A (en) * | 2014-07-10 | 2016-01-13 | 廖生兴 | Connecting wire device with overheating protection function and adaptor structure |
| CN107091982A (en) * | 2016-02-18 | 2017-08-25 | 浙江正泰电器股份有限公司 | the temperature collecting device of breaker |
| CN107091982B (en) * | 2016-02-18 | 2023-12-26 | 浙江正泰电器股份有限公司 | Temperature acquisition device of circuit breaker |
| CN108767664A (en) * | 2018-07-28 | 2018-11-06 | 浙江雷安电气有限公司 | A kind of contact box |
| CN116316240A (en) * | 2023-03-06 | 2023-06-23 | 江苏坤威电力科技有限公司 | High-low voltage switch cabinet based on regional internet of things management |
| CN116316240B (en) * | 2023-03-06 | 2023-11-21 | 江苏坤威电力科技有限公司 | High-low voltage switch cabinet based on regional internet of things management |
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