CN211528666U - Line switcher and line switching device - Google Patents
Line switcher and line switching device Download PDFInfo
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- CN211528666U CN211528666U CN201921959736.6U CN201921959736U CN211528666U CN 211528666 U CN211528666 U CN 211528666U CN 201921959736 U CN201921959736 U CN 201921959736U CN 211528666 U CN211528666 U CN 211528666U
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Abstract
The utility model relates to a line switch and line switching device, line switch includes: the utility model discloses a circuit board, power wiring end module and switch module set up respectively on the base plate, switch module's input and power wiring end module are connected, and switch module's input is used for being connected with external standard source through power wiring end module, power wiring end module still is used for being connected with external processing module's input, switch module's control end is used for being connected with external processing module's output, switch module's output and the line connection that corresponds. The standard source provides electric energy for the circuit that power wiring end module corresponds through the circuit switch, and processing module obtains the output state of standard source through power wiring end module, and processing module passes through the on-off state between switch module change power wiring end module and the circuit that corresponds according to the output state of standard source for the on-off state automatic switch of circuit has improved tangent line efficiency.
Description
Technical Field
The utility model relates to an universal meter examination technical field especially relates to a circuit switch and circuit auto-change over device.
Background
Along with the promotion of electric wire netting power supply volume, need regularly examine and determine to the operating condition of cable, common calibrating installation is the universal meter, and traditional universal meter is after using a period, and the condition that the damage can appear in the internal circuit for the degree of accuracy of universal meter reduces, consequently, needs to carry out the examination of degree of accuracy to the universal meter.
However, the operation of manual wiring and line switching is needed in the traditional universal meter verification process, namely, firstly, the wiring and wiring are conducted on the universal meter wiring terminal, the universal meter wiring terminal is correspondingly connected with the wiring terminal of the output standard source, and when different ranges and gears are verified, the wiring of the universal meter wiring terminal and the wiring of the output standard source output terminal need to be switched, so that the wiring needs to be switched continuously in the universal meter verification process, the operation process is complex, and the wire cutting efficiency is reduced.
SUMMERY OF THE UTILITY MODEL
Accordingly, there is a need for a line switcher and a line switching device with improved tangent efficiency.
A line switch, comprising: base plate, power wiring end module and switch module, power wiring end module with switch module set up respectively in on the base plate, switch module's input with power wiring end module connects, just switch module's input is used for passing through power wiring end module is connected with external standard source, power wiring end module still is used for being connected with external processing module's input, switch module's control end is used for being connected with external processing module's output, switch module's output and the line connection who corresponds.
In one embodiment, the substrate is provided with a detection terminal, the detection terminal of the power terminal module is connected with the detection terminal, and the detection terminal is connected with the input end of the external processing module.
In one embodiment, the substrate is provided with a control connection terminal, and an external processing module is connected with the control end of the switch module through the control connection terminal.
In one embodiment, the substrate is provided with an output connection terminal and a common connection terminal, the first end of the switch module is connected with the output connection terminal, the output connection terminal is connected with the input end of the corresponding line, the second end of the switch module is connected with the common connection terminal, and the common connection terminal is connected with the common end of the corresponding line.
In one embodiment, the output terminals comprise at least one voltage terminal, the switch module comprises a first voltage switch and a second voltage switch, the power terminal module comprises at least one power voltage terminal, the positive pole of the power voltage terminal is connected to the voltage terminal through the first voltage switch, and the negative pole of the power voltage terminal is connected to the common terminal through the second voltage switch.
In one embodiment, the output terminals comprise at least one current terminal, the switch module comprises a first current switch and a second current switch, the power terminal module comprises at least one power current terminal, the positive pole of the power current terminal is connected to the current terminal through the first current switch, and the negative pole of the power current terminal is connected to the common terminal through the second current switch.
In one embodiment, the current connection terminals comprise a first current connection terminal and a second current connection terminal, the first current switch comprises two first sub-current switches, the positive pole of the supply current terminal is connected to the first current connection terminal via one of the first sub-current switches, and the positive pole of the supply current terminal is connected to the second current connection terminal via the other of the first sub-current switches.
In one embodiment, the control connection terminal includes two current control connection terminals, each of the current control connection terminals is connected to one of the first sub-current switches, the first output terminal of the external processing module is connected to one of the current control connection terminals, and the second output terminal of the external processing module is connected to the other current control connection terminal.
In one embodiment, the switch module comprises a first resistive switch and a second resistive switch, the power terminal module comprises at least one power resistor terminal, the positive pole of the power resistor terminal is connected to the voltage terminal through the first resistive switch, and the negative pole of the power resistor terminal is connected to the common terminal through the second resistive switch.
A line switching apparatus comprising: the switch module comprises a processing module, a standard source and the line switcher in any embodiment, wherein the standard source is connected with the power terminal module, and the processing module is respectively connected with the control end of the switch module and the standard source.
In above-mentioned circuit switch and circuit switching device, the standard source provides the electric energy for the circuit that power terminal module corresponds through the circuit switch, and processing module obtains the output state of standard source through power terminal module, and processing module passes through the on-off state that switch module changed between power terminal module and the circuit that corresponds according to the output state of standard source for the on-off state automatic switch of circuit has improved tangent efficiency.
Drawings
Fig. 1 is a schematic structural diagram of a line switch according to an embodiment.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
For example, a line switch, comprising: base plate, power wiring end module and switch module, power wiring end module with switch module set up respectively in on the base plate, switch module's input with power wiring end module connects, just switch module's input is used for passing through power wiring end module is connected with external standard source, power wiring end module still is used for being connected with external processing module's input, switch module's control end is used for being connected with external processing module's output, switch module's output and the line connection who corresponds. In the circuit switcher, the standard source provides electric energy for the circuit corresponding to the power supply wiring terminal module through the circuit switcher, the processing module acquires the output state of the standard source through the power supply wiring terminal module, and the processing module changes the on-off state between the power supply wiring terminal module and the corresponding circuit through the switch module according to the output state of the standard source, so that the on-off state of the circuit is automatically switched, and the tangent efficiency is improved.
Referring to fig. 1, a circuit switch 10 according to an embodiment includes: base plate 100, power wiring end module 200 and switch module 300, power wiring end module 200 with switch module 300 set up respectively in on the base plate 100, switch module 300's input with power wiring end module 200 connects, just switch module 300's input is used for passing through power wiring end module 200 is connected with external standard source, power wiring end module 200 still is used for being connected with external processing module's input, switch module 300's control end is used for being connected with external processing module's output, switch module 300's output and the line connection who corresponds.
In this embodiment, the standard source provides electric energy for the line corresponding to the power terminal module 200 through the line switcher, the processing module obtains the output state of the standard source through the power terminal module 200, and the processing module changes the on-off state between the power terminal module 200 and the corresponding line through the switch module 300 according to the output state of the standard source, so that the on-off state of the line is automatically switched, and the line cutting efficiency is improved.
In one embodiment, referring to fig. 1, the substrate 100 is provided with a detection connection terminal 110, the detection terminal of the power connection terminal module 200 is connected to the detection connection terminal 110, and the detection connection terminal 110 is connected to an input terminal of an external processing module. In this embodiment, since the power terminal module 200 is connected to a standard source, the processing module obtains the charge condition of the power terminal module 200 through the detection terminal 110, that is, the processing module obtains the charge condition and the no charge condition of the power terminal module 200 through the detection terminal 110, that is, the processing module determines whether the power terminal module 200 is powered on through the detection terminal 110. The detection wiring terminal 110 is respectively connected with the detection end of the power wiring terminal module 200 and the input end of the processing module, the detection wiring terminal 110 serves as a switching module between the power wiring terminal module 200 and the processing module, the detection wiring terminal 110 inputs a standard source to the voltage or current in the power wiring terminal module 200 for preprocessing, so that the voltage or current input to the processing module meets the requirement, and the condition that the processing module is damaged due to overlarge voltage or current input to the processing module is avoided. In other embodiments, the detection terminal 110 is configured to convert the analog electrical signal of the power terminal module 200 into a digital electrical signal without analog-to-digital conversion performed by a processing module, so that the analog electrical signal is received and processed by the processing module, and the processing efficiency of the electrical signal input from a standard source into the power terminal module 200 is improved.
In one embodiment, referring to fig. 1, the substrate 100 is provided with a control connection terminal 120, and an external processing module is connected to the control terminal of the switch module 300 through the control connection terminal 120. In this embodiment, the control connection terminal 120 is connected to the processing module and the switch module 300, and the processing module analyzes and processes the acquired operating state of the power connection terminal module 200 and then sends a corresponding signal to the switch module 300 through the control connection terminal 120, so as to control the on-off state of the switch module 300, for example, when detecting that the operating state of the power connection terminal module 200 changes, the processing module sends a tangent signal to the switch module 300 through the control connection terminal 120, so as to control the on-off state of the switch module 300, that is, to control the switch module 300 to transition from the on state to the off state, or to control the switch module 300 to transition from the off state to the on state; for another example, when detecting that the operation state of the power terminal module 200 is not changed, the processing module sends a maintaining signal to the switch module 300 through the control terminal 120, so that the state of the switch module 300 is maintained at the current state, that is, the on-off state of the switch module 300 is not changed.
In one embodiment, referring to fig. 1, the substrate 100 is provided with an output connection terminal 130 and a common connection terminal 140, a first end of the switch module 300 is connected to the output connection terminal 130, the output connection terminal 130 is connected to an input end of a corresponding line, a second end of the switch module 300 is connected to the common connection terminal 140, and the common connection terminal 140 is connected to a common end of the corresponding line. In this embodiment, the line switch is used to detect the indication accuracy of the digital multimeter, the switch module 300 is used to control the on-off state of the line switch and the corresponding interface on the digital multimeter, the first end of the switch module 300 is connected to the corresponding interface on the digital multimeter through the output connection terminal 130, the second end of the switch module 300 is connected to the common end on the digital multimeter through the common connection terminal 140, so that the output connection terminal 130, the common connection terminal 140, the switch module 300 and the digital multimeter form a line, the on-off state of the switch module 300 is controlled to control the on-off state between the line switch and the corresponding interface on the digital multimeter, when detection is required, the switch module 300 is turned on to turn on the corresponding line, and when detection is not required, the switch module 300 is turned off, so that the corresponding line is broken. Therefore, the on-off between the circuit and the digital multimeter does not need manual cutting, so that the on-off state of the circuit is automatically switched, and the cutting efficiency is improved.
In one embodiment, referring to fig. 1, the output connection terminal 130 includes at least one voltage connection terminal 132, the switch module 300 includes a first voltage switch 310 and a second voltage switch 320, the power connection terminal module 200 includes at least one power voltage terminal 210, the positive pole of the power voltage terminal 210 is connected to the voltage connection terminal 132 through the first voltage switch 310, and the negative pole of the power voltage terminal 210 is connected to the common connection terminal 140 through the second voltage switch 320. In this embodiment, the voltage output end of the standard source is connected to the switch module 300 through the power voltage terminal 210, the switch module 300 is configured to change the on-off state between the power voltage terminal 210 and the digital multimeter, and the processing module controls the on-off state of the switch module 300 through the control terminal 120, that is, the processing module controls the on-off states of the first voltage switch 310 and the second voltage switch 320 through the control terminal 120. Therefore, by controlling the on-off states of the first voltage switch 310 and the second voltage switch 320, the electric signal output by the voltage output end of the standard source is controlled to pass through the on-off of the power supply voltage terminal 210 and the digital multimeter, namely, the voltage detection gear on the digital multimeter and the on-off of the power supply voltage terminal 210 are controlled, so that the determined voltage output by the voltage output end of the standard source is transmitted to the multimeter to be displayed, and the accuracy of the voltage detection gear of the digital multimeter is determined according to the comparison result of the voltage displayed on the digital multimeter and the determined voltage output by the voltage output end of the standard source. In other embodiments, the first voltage switch 310 and the second voltage switch 320 comprise high voltage relays of the HRM24-2a15 type having a maximum switching voltage of 10000V dc and a minimum breakdown voltage of 15000V.
In one embodiment, referring to fig. 1, the output connection terminal 130 includes at least one current connection terminal 134, the switch module 300 includes a first current switch 330 and a second current switch 340, the power connection terminal module 200 includes at least one power current terminal 220, the positive pole of the power current terminal 220 is connected to the current connection terminal 134 through the first current switch 330, and the negative pole of the power current terminal 220 is connected to the common connection terminal 140 through the second current switch 340. In this embodiment, the current output end of the standard source is connected to the switch module 300 through the power current terminal 220, the switch module 300 is configured to change the on-off state between the power current terminal 220 and the digital multimeter, and the processing module controls the on-off state of the switch module 300 through the control terminal 120, that is, the processing module controls the on-off states of the first current switch 330 and the second current switch 340 through the control terminal 120. Therefore, by controlling the on-off states of the first current switch 330 and the second current switch 340, the electric signal output by the current output end of the standard source is controlled to pass through the on-off state of the power current terminal 220 and the digital multimeter, namely, the on-off state of the current detection gear on the digital multimeter and the on-off state of the power current terminal 220 are controlled, so that the determined current output by the current output end of the standard source is transmitted to the multimeter for display, and the accuracy of the current detection gear of the digital multimeter is determined according to the comparison result of the current displayed on the digital multimeter and the determined current output by the current output end of the standard source. In other embodiments, the first current switch 330 and the second current switch 340 comprise a HHC67E-1Z-24 model high current relay having a contact load current of 40A and an ac voltage of 240V.
In one embodiment, referring to fig. 1, the current connection terminals 134 include a first current connection terminal 1342 and a second current connection terminal 1344, the first current switch 330 includes two first sub-current switches 332, the positive electrode of the power current terminal 220 is connected to the first current connection terminal 1342 through one of the first sub-current switches 332, and the positive electrode of the power current terminal 220 is connected to the second current connection terminal 1344 through the other first sub-current switch 332. In this embodiment, because there are two current detection gears on the digital multimeter, that is, a large current detection gear and a small current detection gear, that is, an ampere detection gear and a milliampere/microampere detection gear, the first current connection terminal 1342 and the second current connection terminal 1344 are respectively used for being connected to the ampere detection gear and the milliampere/microampere detection gear of the digital multimeter, for example, the first current connection terminal 1342 is connected to the ampere detection gear of the digital multimeter, and the second current connection terminal 1344 is connected to the milliampere/microampere detection gear of the digital multimeter. The processing module controls the on-off states of the two first sub-current switches 332 through the control connection terminal 120, and in order to separately detect currents with different magnitudes, the on-off states of the two first sub-current switches 332 are different, that is, when one of the first sub-current switches 332 is turned on, the other first sub-current switch 332 is turned off. Therefore, by controlling the on-off state of the two first sub-current switches 332, the electric signal output by the current output end of the standard source is controlled to pass through the on-off state of the power current terminal 220 and the digital multimeter, namely, different current detection gears on the digital multimeter and the corresponding on-off state of the power current terminal 220 are controlled, so that currents with different magnitudes output by the current output end of the standard source are transmitted to the current detection gears corresponding to the multimeter and are displayed, and the accuracy of the two current detection gears of the digital multimeter is determined according to the comparison result of the currents displayed on the digital multimeter and the determined currents output by the current output end of the standard source.
In one embodiment, referring to fig. 1, the control connection terminal 120 includes two current control connection terminals 122, each of the current control connection terminals 122 is correspondingly connected to one of the first sub-current switches 332, a first output terminal of the external processing module is connected to one of the current control connection terminals 122, and a second output terminal of the external processing module is connected to the other current control connection terminal 122. In this embodiment, in order to facilitate controlling the detection of different currents, two output terminals of the processing module are respectively connected to one of the current control connection terminals 122, and the two current control connection terminals 122 are used to control different currents to pass through the switch module 300, for example, a first output terminal of the processing module is correspondingly connected to one of the first sub-current switches 332 through one of the current control connection terminals 122, so that the processing module controls the on-off state of one of the first sub-current switches 332, and thus controls the on-off state of a large current signal output by the standard source between the first current connection terminal 1342 and an ampere detection gear of the digital multimeter; for another example, the second output terminal of the processing module is correspondingly connected to one of the first sub-current switches 332 through one of the current control connection terminals 122, so that the processing module controls the on-off state of one of the first sub-current switches 332, and thereby controls the on-off state of the small current signal output by the standard source between the second current connection terminal 1344 and the milliamp/microamp detection gear of the digital multimeter. Like this, through controlling the difference current control binding post 122 changes the on-off state of the different current detection gears of line switch and digital multimeter need not the manual work and carries out the tangent line for the on-off state automatic switch-over of circuit has improved tangent line efficiency.
In one embodiment, referring to fig. 1, the switch module 300 includes a first resistive switch 350 and a second resistive switch 360, the power terminal module 200 includes at least one power resistor terminal 230, the positive pole of the power resistor terminal 230 is connected to the voltage terminal 132 through the first resistive switch 350, and the negative pole of the power resistor terminal 230 is connected to the common terminal 140 through the second resistive switch 360. In this embodiment, since the voltage method is adopted for measuring the voltage and the resistance output by the standard source, when the resistance measurement is performed, the interface of the digital multimeter is still the voltage detection interface, and the detection gear of the digital multimeter is adjusted to be the resistance gear. The resistance output end of the standard source is connected with the switch module 300 through the power supply resistance terminal 230, the switch module 300 is used for changing the on-off state between the power supply resistance terminal 230 and the digital multimeter, and the processing module controls the on-off state of the switch module 300 through the control terminal 120, that is, the processing module simultaneously controls the on-off states of the first resistance switch 350 and the second resistance switch 360 through the control terminal 120. Therefore, by controlling the on-off states of the first resistance switch 350 and the second resistance switch 360, the electric signal output by the resistance output end of the standard source is controlled to pass through the on-off of the power supply resistance terminal 230 and the digital multimeter, namely, the on-off of the resistance detection gear on the digital multimeter and the power supply resistance terminal 230 is controlled, so that the determined equivalent resistance value output by the resistance output end of the standard source is used for being detected and displayed by the digital multimeter, and the accuracy of the resistance detection gear of the digital multimeter is determined according to the comparison result of the resistance displayed on the digital multimeter and the determined equivalent resistance value output by the voltage output end of the standard source. In other embodiments, the first and second resistive switches 350 and 360 comprise a model G5V-2 relay having a contact resistance of 50 ohms or less.
In one embodiment, the present invention relates to a line switching apparatus, including: the switch module comprises a processing module, a standard source and the line switcher in any embodiment, wherein the standard source is connected with the power terminal module, and the processing module is respectively connected with the control end of the switch module and the standard source.
According to the circuit switcher and the circuit switching device, the standard source provides electric energy for the circuit corresponding to the power wiring end module through the circuit switcher, the processing module acquires the output state of the standard source through the power wiring end module, and the processing module changes the on-off state between the power wiring end module and the corresponding circuit through the switch module according to the output state of the standard source, so that the on-off state of the circuit is automatically switched, and the tangent efficiency is improved.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. A line switch, comprising: base plate, power wiring end module and switch module, power wiring end module with switch module set up respectively in on the base plate, switch module's input with power wiring end module connects, just switch module's input is used for passing through power wiring end module is connected with external standard source, power wiring end module still is used for being connected with external processing module's input, switch module's control end is used for being connected with external processing module's output, switch module's output and the line connection who corresponds.
2. The line switcher of claim 1, wherein the substrate is provided with a detection terminal, the detection terminal of the power terminal module is connected to the detection terminal, and the detection terminal is connected to an input terminal of an external processing module.
3. The line switcher of claim 1, wherein the substrate is provided with control terminals through which an external processing module is connected to the control terminal of the switch module.
4. The line switcher of claim 3, wherein the substrate is provided with output connection terminals and common connection terminals, wherein the first ends of the switch modules are connected to the output connection terminals, the output connection terminals are connected to input ends of corresponding lines, the second ends of the switch modules are connected to the common connection terminals, and the common connection terminals are connected to common ends of the corresponding lines.
5. The line switcher of claim 4, wherein the output connection terminal comprises at least one voltage connection terminal, the switch module comprises a first voltage switch and a second voltage switch, the power connection terminal module comprises at least one power voltage terminal, an anode of the power voltage terminal is connected to the voltage connection terminal through the first voltage switch, and a cathode of the power voltage terminal is connected to the common connection terminal through the second voltage switch.
6. The line switcher of claim 4, wherein the output terminal includes at least one current terminal, the switch module includes a first current switch and a second current switch, the power terminal module includes at least one power current terminal, an anode of the power current terminal is connected to the current terminal through the first current switch, and a cathode of the power current terminal is connected to the common terminal through the second current switch.
7. The line switcher of claim 6, wherein the current terminals comprise a first current terminal and a second current terminal, the first current switch comprising two first sub-current switches, the positive pole of the supply current terminal being connected to the first current terminal through one of the first sub-current switches, and the positive pole of the supply current terminal being connected to the second current terminal through the other of the first sub-current switches.
8. The line switcher of claim 7, wherein the control terminal includes two current control terminals, each of the current control terminals being connected to a corresponding one of the first sub-current switches, the first output terminal of the external processing module being connected to one of the current control terminals, and the second output terminal of the external processing module being connected to the other of the current control terminals.
9. The line switcher of claim 5, wherein the switch module includes a first resistive switch and a second resistive switch, the power terminal module including at least one power resistive terminal having an anode connected to the voltage terminal through the first resistive switch and a cathode connected to the common terminal through the second resistive switch.
10. A line switching apparatus, comprising: a processing module, a standard source and a line switcher of any of claims 1 to 9, the standard source being connected to the power terminal module, the processing module being connected to the control terminal of the switch module and the standard source, respectively.
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| CN201921959736.6U CN211528666U (en) | 2019-11-13 | 2019-11-13 | Line switcher and line switching device |
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| CN201921959736.6U CN211528666U (en) | 2019-11-13 | 2019-11-13 | Line switcher and line switching device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112305490A (en) * | 2020-10-30 | 2021-02-02 | 海南电网有限责任公司 | Multiloop automatic switching control equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112305490A (en) * | 2020-10-30 | 2021-02-02 | 海南电网有限责任公司 | Multiloop automatic switching control equipment |
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Effective date of registration: 20210210 Address after: 510620, No. two, No. 2, Tianhe South Road, Guangzhou, Guangdong, Tianhe District Patentee after: Guangzhou Power Supply Bureau of Guangdong Power Grid Co.,Ltd. Address before: 510620, No. two, No. 2, Tianhe South Road, Guangzhou, Guangdong, Tianhe District Patentee before: GUANGZHOU POWER SUPPLY Co.,Ltd. |