CN106877102B - Isolation safety barrier - Google Patents
Isolation safety barrier Download PDFInfo
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- CN106877102B CN106877102B CN201710005985.0A CN201710005985A CN106877102B CN 106877102 B CN106877102 B CN 106877102B CN 201710005985 A CN201710005985 A CN 201710005985A CN 106877102 B CN106877102 B CN 106877102B
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- safety
- flat cable
- safety barrier
- plug
- track
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R27/00—Coupling parts adapted for co-operation with two or more dissimilar counterparts
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/502—Bases; Cases composed of different pieces
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/73—Means for mounting coupling parts to apparatus or structures, e.g. to a wall
- H01R13/74—Means for mounting coupling parts in openings of a panel
- H01R13/748—Means for mounting coupling parts in openings of a panel using one or more screws
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R2201/00—Connectors or connections adapted for particular applications
- H01R2201/20—Connectors or connections adapted for particular applications for testing or measuring purposes
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- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The invention provides an isolation safety barrier, comprising: the safety barrier comprises a safety barrier base, a clamping piece plug, a clamping piece shell, a terminal row and a safety barrier, wherein the safety barrier base is fixed on a back plate, the clamping piece plug is inserted into a clamping piece transmission interface on the safety barrier base, the clamping piece plug transmits data through a cable, the safety barrier shell is installed on the upper portion of the safety barrier base, the terminal row is placed below the safety barrier base, the terminal row is fixed on the back plate, and the terminal row and. The safety belt is connected in an electric plug mode, and physical signal acquisition, process control signal transmission and intrinsic safety explosion prevention in an industrial field are achieved.
Description
Technical Field
The invention relates to the field of industrial instrument structures, in particular to an isolation safety barrier.
Background
In the use of industry secondary instrument, all adopt different integrated circuit boards and interfaces to different instruments among the prior art, the use is very inconvenient, is difficult for changing moreover, and it is long to change operating time, does not have the instrument of a general type to plug at any time or change, and this needs the corresponding technical problem of technical staff's solution that needs to find an urgent need in this field.
Disclosure of Invention
The invention aims to at least solve the technical problems in the prior art, and particularly innovatively provides an isolation safety barrier.
In order to achieve the above object of the present invention, the present invention provides an isolation barrier comprising: the safety fence comprises a clamping piece plug 5, a safety fence base 6, a back plate 12, a flat cable, a terminal strip 13 and a safety fence shell 14;
safety barrier base 6 is fixed on backplate 12, and fastener plug 5 inserts the fastener transmission interface on the safety barrier base 6, and fastener plug 5 passes through cable 2 transmission data, and safety barrier shell 14 is installed on safety barrier base 6 upper portion, and terminal row 13 is placed in safety barrier base 6 below, and terminal row 13 is fixed on backplate 12, and terminal row 13 and safety barrier pass through the winding displacement and connect.
The isolation safety barrier preferably further comprises: the safety barrier observation port 1, the safety barrier upper cover and the heat dissipation holes;
safety grid viewing aperture 1 sets up in safety grid upper cover department, looks over the inside safety grid state of safety grid shell 14 through safety grid viewing aperture 1, and the safety grid upper cover sets up on safety grid shell 14 upper portion, and safety grid shell 14 and safety grid upper cover set up a plurality of louvres, the louvre is used for installing and carries out circulation of air and heat dissipation at the inside safety grid of safety grid shell 14.
The isolated safety barrier, preferably, the flat cable includes: the connecting data line 7, the bolt hole 8, the flat cable interface 9, the data connecting port 19, the fixing nut 20, the flat cable plug 25 and the flat cable connecting part 26;
fixing nuts 20 are arranged at two ends of the data connecting port 19, the fixing nuts 20 correspond to the bolt holes 8 on the flat cable interface 9, bolts are inserted through the bolt holes 8 and screwed into the fixing nuts 20, the data connecting wire 7 is connected with the flat cable interface at the lower part of the safety grid base 6 and the flat cable interface at the upper part of the terminal block 13, the data connecting wire 7 is used for transmitting cable data, a flat cable connecting part 26 is arranged at the upper end of the flat cable interface 9, the flat cable connecting part 26 clamps the data connecting wire 7, the data connecting wire 7 is fixed on the flat cable connecting part 26, a flat cable plug 25 is arranged at the lower part of the flat cable interface 9, and the.
The isolation safety barrier preferably further comprises: a rail 10, a rail flange 11, an upper chute fixing part 21, an upper chute convex part 22, a lower chute fixing part 24, a lower chute convex part 23;
set up track 10 between backplate 12 and terminal row 13, track 10 is fixed in backplate 12, set up track flange 11 in track 10 both sides, go up chute fixed part 21 and fix at terminal row 13 back, go up chute fixed part 21 one side and set up spout bellying 22, lower chute fixed part 24 is fixed at terminal row 13 back, lower chute bellying 23 is set up to lower chute fixed part 24 one side, it sets up with lower chute bellying 23 to go up chute bellying 22, it suits with the width of track flange 11 to go up chute bellying 22 and lower chute bellying 23 width, embolia track flange 11 with terminal row 13 and can freely slide.
The isolation safety barrier preferably further comprises: a rail 10, a rail flange 11, an upper chute fixing part 21, an upper chute convex part 22, a lower chute fixing part 24, a lower chute convex part 23;
set up track 10 between backplate 12 and safety barrier base 6, track 10 is fixed in backplate 12, set up track flange 11 in track 10 both sides, go up chute fixed part 21 and fix in the 6 backs of safety barrier base, go up chute fixed part 21 one side and set up spout bellying 22, lower chute fixed part 24 is fixed in the 6 backs of safety barrier base, lower chute fixed part 24 one side sets up down spout bellying 23, it sets up with lower chute bellying 23 to go up spout bellying 22, it suits with the width of track flange 11 to go up spout bellying 22 and lower chute bellying 23 width, embolia track flange 11 with safety barrier base 6 and can freely slide, place supply cable 16 in the recess that forms between track 10 and track flange 11.
Preferably, the isolation safety barrier comprises: the working indicator lamp 27, the anti-slide way 28, the board card 29, the board card plug 30, the board card plugging identification convex part 31, the working circuit 32 and the board card holding part 33;
the upper portion of the board card 29 is provided with a board card holding portion 33, the board card holding portion 33 is provided with a work indicator lamp 27, the two sides of the board card holding portion 33 are provided with anti-slide ways 28, the anti-slide ways 28 are used for enhancing holding stability, the lower portion of the board card 29 is provided with a board card plug 30, the board card plug 30 is inserted into a safety barrier socket inside a safety barrier shell, the side wall of the board card plug 30 is provided with a board card plug identification convex portion 31, the board card plug identification convex portion 31 is accurately inserted into the safety barrier socket when being used for inserting the safety barrier socket, and.
The isolation safety barrier preferably further comprises: a flat cable fixing portion 17, a flat cable insertion hole 18;
the flat cable jack 18 is disposed on the terminal strip 13, the flat cable fixing portion 17 is disposed on one side of the flat cable jack 18, and the terminal strip 13 is disposed with a plurality of flat cable jacks 18.
The isolation safety barrier preferably further comprises: the fixing screw 4, the rotation groove 34 and the anti-slip projection 15;
set screw 4 sets up in fastener plug 5 both sides, and set screw 4 inserts safety grid base 6 fixation nut department, and set screw 4 afterbody sets up rotatory recess 34, and rotatory recess 34 is used for screwing set screw 4, and set screw 4 axial sets up anti-skidding protruding portion 15, anti-skidding protruding portion 15 is the plum blossom form.
Preferably, the isolation safety barrier is provided with an anti-surge protection circuit on one side of the rail 10, the anti-surge protection circuit is arranged in a groove between the rail 10 and the rail flange 11, and the anti-surge protection circuit is connected with a power supply cable of the terminal row 13.
Preferably, the operation circuit 32 of the isolation safety barrier includes: a signal isolator or an intrinsically safe signal processor.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
the safety belt is connected in an electric plug mode, an isolation scheme of ground-to-ground zero current interconnection between units and systems is provided for physical signal acquisition, process control signal transmission, intrinsic safety explosion prevention and the like in an industrial field, and a solution for realizing a non-wiring function in a disc-integral cable pre-plugging function is also provided.
The clamping structure of the existing unit combination instrument is changed into a plug-in structure, and the internal line of the disc is independent of the model number and the station of the module by emphasizing the consistent functions and the unified position number of the plug-in terminals; meanwhile, a standard cable plug is adopted to replace the wiring of the instrument panel, so that the nonstandard property and the wiring mode of the traditional instrument panel are changed, and a new member of the unit combination instrument, namely the standard instrument panel, is formed.
The plug-in base used in the disc is separated from the gauge outfit, has universality, can be inserted into the gauge outfit of various types, can be randomly and interchangeably inserted, has no relation with the type of the gauge outfit in the wiring process, does not need to be inserted into the gauge outfit until the standard instrument panel leaves a factory, and has a complete pre-wiring function.
The plug-in and the base can be respectively plugged and unplugged integrally, the maintenance and the replacement are rapid and accurate, the maintenance time is shortened to the shortest compared with the similar instrument structure, and the hot plugging safety is ensured.
The load capacity of the 1-5mA plug-in unit is 2000OHM, the thickness of the double-channel plug-in unit is less than 7mm, and no obvious heat exists.
The internal wiring of the disc is universal and does not require manual wiring. From outside terminal row inside, no longer use the compensation wire in the panel board, terminal row and cable plug are all general, and the overall arrangement and the wiring of the interior part of every standard panel board can adapt to all engineering projects, and the intradiscal wiring is irrelevant with the attribute and the plug-in components model of terminal row signal, only is relevant with the standard disc model number that represents project I/O quantity, and inside all adopts the quick preconnection of standard wire cable.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a side view of an isolation barrier of the present invention;
FIG. 2 is a front view of the isolation barrier of the present invention;
FIG. 3 is a bottom view of the isolation barrier of the present invention;
FIG. 4 is a disassembled view of the isolation barrier of the present invention;
FIG. 5 is a schematic view of the data connection port of the isolation barrier according to the present invention;
FIG. 6 is a side view of an isolated security gate data connection port of the present invention;
FIG. 7 is a schematic view of the connecting wires of the isolated safety barrier of the present invention;
FIG. 8 is a schematic view of an isolated security barrier card of the present invention;
FIG. 9 is a schematic view of the installation of the isolated security gate board card of the present invention;
fig. 10 is an electrical schematic of the isolation barrier installation of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.
In the description of the present invention, unless otherwise specified and limited, it is to be noted that the terms "mounted," "connected," and "connected" are to be interpreted broadly, and may be, for example, a mechanical connection or an electrical connection, a communication between two elements, a direct connection, or an indirect connection via an intermediate medium, and specific meanings of the terms may be understood by those skilled in the art according to specific situations.
As shown in fig. 1 to 9, the present invention provides an isolation barrier, comprising: the safety fence comprises a clamping piece plug 5, a safety fence base 6, a back plate 12, a flat cable, a terminal strip 13 and a safety fence shell 14;
safety barrier base 6 is fixed on backplate 12, and fastener plug 5 inserts the fastener transmission interface on the safety barrier base 6, and fastener plug 5 passes through cable 2 transmission data, and safety barrier shell 14 is installed on safety barrier base 6 upper portion, and terminal row 13 is placed in safety barrier base 6 below, and terminal row 13 is fixed on backplate 12, and terminal row 13 and safety barrier pass through the winding displacement and connect.
The isolation safety barrier preferably further comprises: the safety barrier observation port 1, the safety barrier upper cover and the heat dissipation holes;
safety grid viewing aperture 1 sets up in safety grid upper cover department, looks over the inside safety grid state of safety grid shell 14 through safety grid viewing aperture 1, and the safety grid upper cover sets up on safety grid shell 14 upper portion, and safety grid shell 14 and safety grid upper cover set up a plurality of louvres, the louvre is used for installing and carries out circulation of air and heat dissipation at the inside safety grid of safety grid shell 14.
As shown in fig. 7, the insulated safety barrier preferably includes: the connecting data line 7, the bolt hole 8, the flat cable interface 9, the data connecting port 19, the fixing nut 20, the flat cable plug 25 and the flat cable connecting part 26;
fixing nuts 20 are arranged at two ends of the data connecting port 19, the fixing nuts 20 correspond to the bolt holes 8 on the flat cable interface 9, bolts are inserted through the bolt holes 8 and screwed into the fixing nuts 20, the data connecting wire 7 is connected with the flat cable interface at the lower part of the safety grid base 6 and the flat cable interface at the upper part of the terminal block 13, the data connecting wire 7 is used for transmitting cable data, a flat cable connecting part 26 is arranged at the upper end of the flat cable interface 9, the flat cable connecting part 26 clamps the data connecting wire 7, the data connecting wire 7 is fixed on the flat cable connecting part 26, a flat cable plug 25 is arranged at the lower part of the flat cable interface 9, and the.
The isolation safety barrier preferably further comprises: a rail 10, a rail flange 11, an upper chute fixing part 21, an upper chute convex part 22, a lower chute fixing part 24, a lower chute convex part 23;
set up track 10 between backplate 12 and terminal row 13, track 10 is fixed in backplate 12, set up track flange 11 in track 10 both sides, go up chute fixed part 21 and fix at terminal row 13 back, go up chute fixed part 21 one side and set up spout bellying 22, lower chute fixed part 24 is fixed at terminal row 13 back, lower chute bellying 23 is set up to lower chute fixed part 24 one side, it sets up with lower chute bellying 23 to go up chute bellying 22, it suits with the width of track flange 11 to go up chute bellying 22 and lower chute bellying 23 width, embolia track flange 11 with terminal row 13 and can freely slide.
The isolation safety barrier preferably further comprises: a rail 10, a rail flange 11, an upper chute fixing part 21, an upper chute convex part 22, a lower chute fixing part 24, a lower chute convex part 23;
set up track 10 between backplate 12 and safety barrier base 6, track 10 is fixed in backplate 12, set up track flange 11 in track 10 both sides, go up chute fixed part 21 and fix in the 6 backs of safety barrier base, go up chute fixed part 21 one side and set up spout bellying 22, lower chute fixed part 24 is fixed in the 6 backs of safety barrier base, lower chute fixed part 24 one side sets up down spout bellying 23, it sets up with lower chute bellying 23 to go up spout bellying 22, it suits with the width of track flange 11 to go up spout bellying 22 and lower chute bellying 23 width, embolia track flange 11 with safety barrier base 6 and can freely slide, place supply cable 16 in the recess that forms between track 10 and track flange 11.
Preferably, the isolation safety barrier comprises: the working indicator lamp 27, the anti-slide way 28, the board card 29, the board card plug 30, the board card plugging identification convex part 31, the working circuit 32 and the board card holding part 33;
the upper portion of the board card 29 is provided with a board card holding portion 33, the board card holding portion 33 is provided with a work indicator lamp 27, the two sides of the board card holding portion 33 are provided with anti-slide ways 28, the anti-slide ways 28 are used for enhancing holding stability, the lower portion of the board card 29 is provided with a board card plug 30, the board card plug 30 is inserted into a safety barrier socket inside a safety barrier shell, the side wall of the board card plug 30 is provided with a board card plug identification convex portion 31, the board card plug identification convex portion 31 is accurately inserted into the safety barrier socket when being used for inserting the safety barrier socket, and.
The isolation safety barrier preferably further comprises: a flat cable fixing portion 17, a flat cable insertion hole 18;
the flat cable jack 18 is disposed on the terminal strip 13, the flat cable fixing portion 17 is disposed on one side of the flat cable jack 18, and the terminal strip 13 is disposed with a plurality of flat cable jacks 18.
The isolation safety barrier preferably further comprises: the fixing screw 4, the rotation groove 34 and the anti-slip projection 15;
set screw 4 sets up in fastener plug 5 both sides, and set screw 4 inserts safety grid base 6 fixation nut department, and set screw 4 afterbody sets up rotatory recess 34, and rotatory recess 34 is used for screwing set screw 4, and set screw 4 axial sets up anti-skidding protruding portion 15, anti-skidding protruding portion 15 is the plum blossom form.
Preferably, the isolation safety barrier is provided with an anti-surge protection circuit on one side of the rail 10, the anti-surge protection circuit is arranged in a groove between the rail 10 and the rail flange 11, and the anti-surge protection circuit is connected with a power supply cable of the terminal row 13.
Preferably, the operation circuit 32 of the isolation safety barrier includes: a signal isolator or an intrinsically safe signal processor.
The tail part of the clamping piece plug 5 is provided with a cable buffer part 3, and the cable buffer part 3 is arranged between the clamping piece plug 5 and the cable 2.
The safety barrier includes: the working indicator lamp 27, the anti-slide way 28, the board card 29, the board card plug 30, the board card plugging identification convex part 31, the working circuit 32 and the board card holding part 33;
the upper portion of the board card 29 is provided with a board card holding portion 33, the board card holding portion 33 is provided with a work indicator lamp 27, the two sides of the board card holding portion 33 are provided with anti-slide ways 28, the anti-slide ways 28 are used for enhancing holding stability, the lower portion of the board card 29 is provided with a board card plug 30, the board card plug 30 is inserted into a safety barrier socket inside a safety barrier shell, the side wall of the board card plug 30 is provided with a board card plug identification convex portion 31, the board card plug identification convex portion 31 is accurately inserted into the safety barrier socket when being used for inserting the safety barrier socket, and. The safety barrier housing 14 is internally provided with a plurality of safety barrier sockets, two sides of each safety barrier socket are provided with fixed vertical plates 35, the elastic slideways 36 are arranged on two sides of the fixed vertical plates 35, and the fixed vertical plates 35 are used for fixing the board card plug 30.
As shown in fig. 10, the anti-surge protection circuit 37 includes:
the 0V voltage end of a power interface is connected with one end of a 3 rd surge protector, the other end of the 3 rd surge protector is grounded, the 24V voltage end of the power interface is connected with one end of a 1 st surge protector, the other end of the 1 st surge protector is connected with one end of a 2 nd surge protector, the other end of the 2 nd surge protector is connected with one end of a 3 rd surge protector and one end of a 2 nd inductor, one end of the 1 st surge protector is also connected with one end of the 1 st inductor, the other end of the 1 st inductor is respectively connected with one end of a 3 rd protection diode and the anode of a 1 st diode, the other end of the 3 rd protection diode is respectively connected with the other end of the 2 nd inductor and one end of a 4 th protection diode, the other end of the 4 th protection diode is respectively connected with the other end of the 3 rd inductor and the anode of the 2 nd diode, the anode of the, the other end of the 1 st capacitor is grounded, one end of the 1 st capacitor is also connected with the input end of the 1 st voltage stabilizer, the output end of the 1 st voltage stabilizer is connected with the cathode of the 5 th diode, the anode of the 5 th diode is also connected with one end of the 2 nd capacitor, the other end of the 2 nd capacitor is grounded, one end of the 2 nd capacitor is also connected with one end of the 3 rd resistor, the other end of the 3 rd resistor is respectively connected with the anode input end of the 1 st operational amplifier and one end of the 6 th resistor, the other end of the 6 th resistor is grounded, the anode of the 2 nd diode is also connected with one end of the 2 nd resistor, the other end of the 2 nd resistor is respectively connected with one end of the 5 th resistor and the cathode input end of the 1 st operational amplifier, the other end of the 5 th resistor is grounded, the anode input end of the 1 st, the 2 nd operational amplifier output is connected 3 rd emitting diode negative pole and the 1 st triode grid respectively, the 3 rd emitting diode hums and connects 7 th resistance one end, the 7 th resistance other end connects the power supply end, the 1 st triode source is connected 9 th resistance one end and power source, the 1 st triode drain ground connection, the 1 st triode source still is connected the 2 nd triode source, the 2 nd triode drain ground connection, the 4 th emitting diode negative pole is connected to the 2 nd triode grid, the 8 th resistance one end is connected to the 4 th emitting diode positive pole, the 8 th resistance other end connects the power supply end, the 4 th emitting diode negative pole is connected to the 1 st operational amplifier output.
The beneficial effects of the above technical scheme are: the circuit module automatically switches power supplies, gives an alarm and indicates, can achieve D-level power supply surge protection capacity, and is convenient to install and simple to maintain.
The surge protector is UN2E8-600 HSMD; the protection diode is SP0300 SC; the operational amplifier is ISL 28130.
This surge protection module installs on the safety barrier track, and convenient dismantlement is taken, can in time detect the change.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (6)
1. An isolated safety barrier, comprising: the safety fence comprises a clamping piece plug (5), a safety fence base (6), a back plate (12), a flat cable, a terminal strip (13) and a safety fence shell (14);
the safety fence comprises a safety fence base (6), a clamping piece plug (5) and a clamping piece transmission interface, wherein the safety fence base (12) is fixed on a back plate (12), the clamping piece plug (5) is inserted into the clamping piece transmission interface on the safety fence base (6), the clamping piece plug (5) transmits data through a cable (2), a safety fence shell (14) is installed on the upper portion of the safety fence base (6), a terminal bar (13) is placed below the safety fence base (6), the terminal bar (13) is fixed on the back plate (12), and the terminal bar (13) is connected with the safety fence through a flat;
the flat cable includes: the device comprises a connecting data line (7), a bolt hole (8), a flat cable interface (9), a data connecting port (19), a fixing nut (20), a flat cable plug (25) and a flat cable connecting part (26);
fixing nuts (20) are arranged at two ends of a data connecting port (19), the fixing nuts (20) correspond to bolt holes (8) in a flat cable interface (9), bolts are inserted through the bolt holes (8) and are screwed into the fixing nuts (20), the data connecting line (7) is connected with the flat cable interface at the lower part of a safety grid base (6) and the flat cable interface at the upper part of a terminal block (13), the data connecting line (7) is used for transmitting cable data, a flat cable connecting part (26) is arranged at the upper end of the flat cable interface (9), the flat cable connecting part (26) clamps the data connecting line (7), the data connecting line (7) is fixed on the flat cable connecting part (26), a flat cable plug (25) is arranged at the lower part of the flat cable interface (9), and the flat cable plug (25;
further comprising: a rail (10), a rail flange (11), an upper chute fixing part (21), an upper chute convex part (22), a lower chute fixing part (24) and a lower chute convex part (23);
the terminal block is characterized in that a track (10) is arranged between a back plate (12) and a terminal row (13), the track (10) is fixed on the back plate (12), track flanges (11) are arranged on two sides of the track (10), an upper chute fixing part (21) is fixed on the back of the terminal row (13), an upper chute protruding part (22) is arranged on one side of the upper chute fixing part (21), a lower chute fixing part (24) is fixed on the back of the terminal row (13), a lower chute protruding part (23) is arranged on one side of the lower chute fixing part (24), the upper chute protruding part (22) and the lower chute protruding part (23) are oppositely arranged, the widths of the upper chute protruding part (22) and the lower chute protruding part (23) are adaptive to the width of the track flanges (11), and the terminal row (13) is sleeved on the track flanges (11);
a track (10) is arranged between the back plate (12) and the safety barrier base (6), the track (10) is fixed on the back plate (12), the track flange (11) is arranged on two sides of the track (10), the upper chute fixing part (21) is fixed on the back of the safety grid base (6), the upper chute convex part (22) is arranged on one side of the upper chute fixing part (21), the lower chute fixing part (24) is fixed on the back of the safety grid base (6), the lower chute convex part (23) is arranged on one side of the lower chute fixing part (24), the upper chute convex part (22) and the lower chute convex part (23) are oppositely arranged, the widths of the upper chute convex part (22) and the lower chute convex part (23) are matched with the width of the track flange (11), the safety grid base (6) can be sleeved into the track flange (11) to slide freely, -placing a supply cable (16) in a groove formed between the rail (10) and the rail flange (11);
an anti-surge protection circuit is arranged on one side of the track (10), the anti-surge protection circuit is arranged in a groove between the track (10) and the track flange (11), and the anti-surge protection circuit is connected with a power supply cable of the terminal block (13);
the anti-surge protection circuit includes:
the 0V voltage end of a power interface is connected with one end of a 3 rd surge protector, the other end of the 3 rd surge protector is grounded, the 24V voltage end of the power interface is connected with one end of a 1 st surge protector, the other end of the 1 st surge protector is connected with one end of a 2 nd surge protector, the other end of the 2 nd surge protector is connected with one end of a 3 rd surge protector and one end of a 2 nd inductor, one end of the 1 st surge protector is also connected with one end of the 1 st inductor, the other end of the 1 st inductor is respectively connected with one end of a 3 rd protection diode and the anode of a 1 st diode, the other end of the 3 rd protection diode is respectively connected with the other end of the 2 nd inductor and one end of a 4 th protection diode, the other end of the 4 th protection diode is respectively connected with the other end of the 3 rd inductor and the anode of the 2 nd diode, the anode of the, the other end of the 1 st capacitor is grounded, one end of the 1 st capacitor is also connected with the input end of the 1 st voltage stabilizer, the output end of the 1 st voltage stabilizer is connected with the cathode of the 5 th diode, the anode of the 5 th diode is also connected with one end of the 2 nd capacitor, the other end of the 2 nd capacitor is grounded, one end of the 2 nd capacitor is also connected with one end of the 3 rd resistor, the other end of the 3 rd resistor is respectively connected with the anode input end of the 1 st operational amplifier and one end of the 6 th resistor, the other end of the 6 th resistor is grounded, the anode of the 2 nd diode is also connected with one end of the 2 nd resistor, the other end of the 2 nd resistor is respectively connected with one end of the 5 th resistor and the cathode input end of the 1 st operational amplifier, the other end of the 5 th resistor is grounded, the anode input end of the 1 st, the 2 nd operational amplifier output is connected 3 rd emitting diode negative pole and the 1 st triode grid respectively, the 3 rd emitting diode hums and connects 7 th resistance one end, the 7 th resistance other end connects the power supply end, the 1 st triode source is connected 9 th resistance one end and power source, the 1 st triode drain ground connection, the 1 st triode source still is connected the 2 nd triode source, the 2 nd triode drain ground connection, the 4 th emitting diode negative pole is connected to the 2 nd triode grid, the 8 th resistance one end is connected to the 4 th emitting diode positive pole, the 8 th resistance other end connects the power supply end, the 4 th emitting diode negative pole is connected to the 1 st operational amplifier output.
2. The isolating safety barrier of claim 1, further comprising: the safety barrier observation port (1), the safety barrier upper cover and the heat dissipation holes;
safety grid viewing aperture (1) sets up in safety grid upper cover department, looks over the inside safety grid state of safety grid shell (14) through safety grid viewing aperture (1), and the safety grid upper cover sets up on safety grid shell (14) upper portion, and safety grid shell (14) and safety grid upper cover set up a plurality of louvres, the louvre is used for installing and carries out circulation of air and heat dissipation at the inside safety grid of safety grid shell (14).
3. The isolating safety barrier of claim 1, wherein the safety barrier comprises: the work indicator lamp (27), the antiskid channel (28), the board card (29), the board card plug (30), the board card plug identification convex part (31), the work circuit (32) and the board card holding part (33);
integrated circuit board (29) upper portion sets up integrated circuit board portion of gripping (33), and integrated circuit board portion of gripping (33) sets up work pilot lamp (27), grips portion (33) both sides at the integrated circuit board and sets up and prevent slide (28), prevent slide (28) and be used for the reinforcing to grip the stability, integrated circuit board (29) lower part sets up integrated circuit board plug (30), and integrated circuit board plug (30) insert the inside safety barrier socket of safety barrier shell, and integrated circuit board plug (30) lateral wall sets up integrated circuit board plug discernment convex part (31), and integrated circuit board plug discernment convex part (31) insert when being used for inserting the safety barrier socket accurately, and integrated circuit board (29) lateral wall sets up work circuit (.
4. The isolating safety barrier of claim 1, further comprising: a flat cable fixing part (17), a flat cable insertion hole (18);
the flat cable jack (18) is arranged on the terminal strip (13), a flat cable fixing part (17) is arranged on one side of the flat cable jack (18), and the terminal strip (13) is provided with a plurality of flat cable jacks (18).
5. The isolating safety barrier of any one of claims 1 to 4, further comprising: a set screw (4), a rotation groove (34), and an anti-slip protrusion (15);
set screw (4) set up in fastener plug (5) both sides, and set screw (4) insert the fixation nut department of safety grid base (6), and set screw (4) afterbody sets up rotatory recess (34), and rotatory recess (34) are used for screwing set screw (4), and set screw (4) axial sets up anti-skidding bellying (15), anti-skidding bellying (15) are the plum blossom form.
6. The isolating safety barrier according to claim 3, wherein the operating circuit (32) comprises: a signal isolator or an intrinsically safe signal processor.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710005985.0A CN106877102B (en) | 2017-01-05 | 2017-01-05 | Isolation safety barrier |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710005985.0A CN106877102B (en) | 2017-01-05 | 2017-01-05 | Isolation safety barrier |
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| CN106877102A CN106877102A (en) | 2017-06-20 |
| CN106877102B true CN106877102B (en) | 2019-12-27 |
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| CN201710005985.0A Active CN106877102B (en) | 2017-01-05 | 2017-01-05 | Isolation safety barrier |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107437798B (en) * | 2017-10-11 | 2019-12-06 | 福州日宝食品有限公司 | Explosion-proof isolated safety barrier convenient to installation |
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