CN206114741U - Secondary current terminal formula changer - Google Patents
Secondary current terminal formula changer Download PDFInfo
- Publication number
- CN206114741U CN206114741U CN201621121268.1U CN201621121268U CN206114741U CN 206114741 U CN206114741 U CN 206114741U CN 201621121268 U CN201621121268 U CN 201621121268U CN 206114741 U CN206114741 U CN 206114741U
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- input
- secondary current
- output
- current terminal
- terminal
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Abstract
The utility model provides a secondary current terminal formula changer, include casing, two electric conductors, two conductor mountings and indicator, the casing has two conductor accommodation holes, the conductor sets up respectively in the conductor accommodation hole, the one end of two conductors respectively with conductor mounting fixed connection, indicator's both ends respectively with two electrically conductive connections. Its advantage lies in that the security is strong, easily processes, saves the cost, makes things convenient for the field connection, saves installation space.
Description
Technical field
This utility model is related to a kind of transmitter, more particularly to it is a kind of be applied to exchange 50Hz, rated voltage 35kV and with
Under secondary current terminal-type transmitter in indoor low-voltage electrical complete set of equipments.
Background technology
In recent years, it is less and less in order to save the relay bungalow spaces such as the occupation of land space of equipment, switch cubicle, switch board, behaviour
Make difficulty increasing.Require that electronic equipment increasingly tends to miniaturization, high reliability development accordingly, and need processing side
Just, facilitate in-site installation, installing space little.When electronics miniaturization reaches manufacturing limit, more and more needs are examined
Consider that electronic devices and components are highly integrated, reduce using the quantity of device.
Utility model content
It is of the present utility model provide a kind of high safety, it is easy to process, cost-effective, facilitate field connection, save and install
The secondary current terminal-type transmitter in space, overcomes existing technological deficiency, solves above-mentioned technical problem.
This utility model provides a kind of secondary current terminal-type transmitter, including：Housing, linear optical coupling, two exchanges are defeated
Enter terminal and two DC output terminals；Linear optical coupling has two input pins and two output pins；There is housing optocoupler to accommodate
Chamber；Linear optical coupling is fixed on optocoupler and accommodates intracavity, and two AC input terminals are connected respectively with two input pins, and two direct currents are defeated
Go out terminal to be connected with two output pins respectively.
Further, this utility model provides a kind of secondary current terminal-type transmitter, can also have the feature that：Outward
Shell has two input channels and two output channels, is all connected with optocoupler accommodating chamber；AC input terminal passes through input channel
It is connected with input pin, DC output terminal is connected by output channel with output pin.
Further, this utility model provides a kind of secondary current terminal-type transmitter, can also have the feature that：It is defeated
It is metal material to enter passage and/or input channel.
Further, this utility model provides a kind of secondary current terminal-type transmitter, can also have the feature that：Hand over
Stream input terminal and/or DC output terminal are screw, can respectively be threaded in or out input channel, input channel.
Further, this utility model provides a kind of secondary current terminal-type transmitter, can also have the feature that：Line
Property optocoupler be HCNR200/201 linear optical couplings.
Further, this utility model provides a kind of secondary current terminal-type transmitter, can also have the feature that：Shell
Body is PA66 materials.
Further, this utility model provides a kind of secondary current terminal-type transmitter, can also have the feature that：Two
Individual AC input terminal and/or two DC output terminals are copper material.
Further, this utility model provides a kind of secondary current terminal-type transmitter, can also have the feature that：Two
The size of individual AC input terminal is more than two DC output terminals.
The effect of utility model and effect
A kind of secondary current terminal-type transmitter that this utility model is provided, by measured signal a voltage, warp are transformed into
Property optocoupler is directly converted to one with measured signal into fabulous linear relationship and completely isolated voltage, then Jing constant pressures (stream) are extremely
Output, circuit design refine, reliability is high, easy for installation, safe and reliable, safeguards cylinder list, can be widely applied to electric power, post and telecommunications,
The electric device of the departments such as oil, coal, metallurgy, railway, municipal administration, automatically control and scheduling system.
A kind of secondary current terminal-type transmitter that this utility model is provided, the size of product is not also reducing related electric
Reduced on the basis of technical parameter so that product can be applied in greater compactness of space.
Description of the drawings
Fig. 1 is the main view semi-cutaway of secondary current terminal-type transmitter.
Fig. 2 is the right view of secondary current terminal-type transmitter.
Specific embodiment
Below in conjunction with the accompanying drawings this utility model is further described with specific embodiment.
Fig. 1 is the main view semi-cutaway of secondary current terminal-type transmitter.
Fig. 2 is the right view of secondary current terminal-type transmitter.
As depicted in figs. 1 and 2, secondary current terminal-type transmitter includes：Housing 1,4, two exchange inputs of linear optical coupling
Terminal 3 and two DC output terminals 2.
Housing has 11, two input channels 13 of optocoupler accommodating chamber and two output channels 12.Two Hes of input channel 13
Two output channels 12 are symmetrical arranged, and all communicate with optocoupler accommodating chamber 11.Two input channels 13 are located at up and down the two of shell 1
End, two output channels 12 are located between two input channels 13, in an intermediate position.Input channel 13 is more than output channel 12
Size, prevent misplug.Housing 1 is made using PA66 materials, the maximum operating temperature with V0 flame retardant ratings and 120 degree, Jing
The pressing line frame wiring technique of allusion quotation ensure that reliable connection and very high thrust.Input channel 13 and output channel 12 are all adopted
The good metal of electric conductivity is made, such as：Copper material.
Linear optical coupling 4 is HCNR200/201 linear optical couplings, with two input pins 43 and two output pins 42.Linear light
Coupling 4 is arranged in optocoupler accommodating chamber 11, and two input pins 43 are arranged in input channel 13, can take welding or the side for crimping
Formula circuit turn-on；Same two output pins 42 are arranged in output channel 42, the circuit turn-on by the way of welding or crimping.
Two AC input terminals 3 are copper screw, and size matches with input channel 13, can be threaded in or out input channel
13.When AC input terminal 3 screws in input channel 13, the circuit turn-on with the input pin 43 of linear optical coupling 4 is realized.
Two DC output terminals 2 are copper screw, and size matches with output channel 12, can be threaded in or out output channel
12.When DC output terminal 2 screws in output channel 12, the circuit turn-on with the output pin 42 of linear optical coupling 4 is realized.Likewise,
The size of AC input terminal 3 is more than DC output terminal, prevents misplug.
Secondary current terminal-type transmitter, can be used to realize the electrical complete equipment below secondary rated current 5A.Two
Primary current terminal-type transmitter can be converted into tested alternating current exporting the terminal-type pick-up dress of DC current by linear scale
Put, transmitter different from the past, external form is close to common current terminal, it is not necessary to accessory power supply, as long as there is electric current to flow through
4～20mA DC currents will be exported, reception device (computer or display instrument) is delivered continuously to.When the present embodiment is used,
It is connected with alternating current input terminal by ampere wires, is connected with wire with secondary terminals in cabinet by DC output terminal,
Secondary wiring terminals are connected by wire with instrument.
Claims (8)
1. a kind of secondary current terminal-type transmitter, it is characterised in that：Including housing, linear optical coupling, two AC input terminals
With two DC output terminals；
Wherein, the linear optical coupling has two input pins and two output pins；
The housing has optocoupler accommodating chamber；
The linear optical coupling is fixed on the optocoupler and accommodates intracavity, two AC input terminals respectively with two inputs
Foot is connected, and two DC output terminals are connected respectively with two output pins.
2. secondary current terminal-type transmitter as claimed in claim 1, it is characterised in that：
Wherein, the housing has two input channels and two output channels, is all connected with the optocoupler accommodating chamber；
The AC input terminal is connected by the input channel with the input pin, and the DC output terminal is by described
Output channel is connected with the output pin.
3. secondary current terminal-type transmitter as claimed in claim 2, it is characterised in that：
Wherein, the input channel and/or the input channel are metal material.
4. secondary current terminal-type transmitter as claimed in claim 2, it is characterised in that：
Wherein, the AC input terminal and/or the DC output terminal are screw, can respectively be threaded in or out the input
Passage, the input channel.
5. secondary current terminal-type transmitter as claimed in claim 1, it is characterised in that：
Wherein, the linear optical coupling is HCNR200/201 linear optical couplings.
6. secondary current terminal-type transmitter as claimed in claim 1, it is characterised in that：
Wherein, the housing is PA66 materials.
7. secondary current terminal-type transmitter as claimed in claim 1, it is characterised in that：
Wherein, described two AC input terminals and/or two DC output terminals are copper material.
8. secondary current terminal-type transmitter as claimed in claim 1, it is characterised in that：
Wherein, the size of described two AC input terminals is more than two DC output terminals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621121268.1U CN206114741U (en) | 2016-10-13 | 2016-10-13 | Secondary current terminal formula changer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621121268.1U CN206114741U (en) | 2016-10-13 | 2016-10-13 | Secondary current terminal formula changer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206114741U true CN206114741U (en) | 2017-04-19 |
Family
ID=58529695
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621121268.1U Active CN206114741U (en) | 2016-10-13 | 2016-10-13 | Secondary current terminal formula changer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206114741U (en) |
-
2016
- 2016-10-13 CN CN201621121268.1U patent/CN206114741U/en active Active
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