CN209913186U - Terminal connecting device for field instrument verification - Google Patents
Terminal connecting device for field instrument verification Download PDFInfo
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- CN209913186U CN209913186U CN201920837007.7U CN201920837007U CN209913186U CN 209913186 U CN209913186 U CN 209913186U CN 201920837007 U CN201920837007 U CN 201920837007U CN 209913186 U CN209913186 U CN 209913186U
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Abstract
The utility model belongs to the technical field of the on-the-spot instrument examination, concretely relates to a terminal connecting device for on-the-spot instrument examination. The insulation board is fixed on the connecting device base through the positioning right angle; the first row of the insulation board is uniformly provided with grooves, spring jointing clamps with corresponding quantity are installed, one end of each spring jointing clamp is connected with the test wire, and the other end of each spring jointing clamp is connected with the contact piece plug-in unit; two terminals are installed in the second row of the insulating plate, a group of power lines are led out from the instrument terminal to be connected into the lower portion of the terminals, and the group of power lines are connected into a mains supply from the upper portion of the terminals. The utility model discloses can realize experimental wire and on-the-spot instrument binding post's disposable connection to indirectly widen the distance of terminal interval or terminal row pitch-row.
Description
Technical Field
The utility model belongs to the technical field of the on-the-spot instrument examination, concretely relates to a terminal connecting device for on-the-spot instrument examination.
Background
At present, most of electronic instruments used on various power distribution cabinets are multifunctional instruments, wiring terminals are more, and some instruments are wired through terminal blocks. When the current domestic test wire is used for checking the instruments, the instruments are directly accessed to a detected meter from standard equipment, if the three-phase voltage and current meter is checked, A, B, C three-phase voltage and current lines are needed to be repeatedly connected at the position of a terminal or a terminal row of the detected meter in a one-phase and one-phase mode, and the working efficiency is low; if examine three-phase power meter, need insert all test wires of electric current, voltage at instrument binding post department, because the wiring is too many, and instrument terminal interval or terminal row pitch-row are very close for the distance between the test wire connector lug is very little, causes the short circuit very easily.
Disclosure of Invention
An object of the utility model is to provide a terminal connecting device for site instrument examination can realize experimental wire and site instrument binding post's disposable connection to widen the distance of terminal interval or terminal row pitch-row indirectly.
In order to achieve the above purpose, the utility model adopts the technical proposal that:
a terminal connecting device for field instrument calibration comprises an insulating plate, a positioning right angle and a connecting device base, wherein the insulating plate is fixed on the connecting device base through the positioning right angle; the first row of the insulation board is uniformly provided with grooves, spring jointing clamps with corresponding quantity are installed, one end of each spring jointing clamp is connected with the test wire, and the other end of each spring jointing clamp is connected with the contact piece plug-in unit; two terminals are installed in the second row of the insulating plate, a group of power lines are led out from the instrument terminal to be connected into the lower portion of the terminals, and the group of power lines are connected into a mains supply from the upper portion of the terminals.
The positioning right angle is fixed on the base of the connecting device through a bolt and a screw.
The contact piece plug-in unit is provided with 2 concave grooves.
The connecting device base is fixed on the movable platform.
The utility model discloses the beneficial effect who gains does:
(1) the working efficiency is improved. The device fixes the test wires which are inserted pin type connectors at two ends led out from the instrument terminal through the spring wire inlet clamp on the insulating plate, so that the line to be tested is connected to three-phase voltage, current and an instrument display power supply terminal at one time, the test wire can be directly connected to a phase line needing to be measured, the operation of repeatedly changing the wiring among A, B, C three phases is avoided, and the problem of excessive wiring frequency of the wire is solved.
(2) The problem of easy short circuit is solved. This device has indirectly widened terminal interval, terminal row pitch, has avoided when detecting three-phase power meter, and the danger that too many test wires of meter binding post department access probably caused the short circuit.
(3) And (4) universality. The device is suitable for wiring of instrument terminals and terminal rows of different types on site, is provided with two sets of test wires, and can select the test wires with different lengths according to working requirements, so that the device is suitable for on-site verification work and can also optimize the verification work of multifunctional electronic instruments in laboratories.
(4) The accurate transmission of the quantity value is ensured. Experiments show that the instrument data measured by using the connecting device of the wiring terminal is consistent with the data measured by directly using a test line of the calibration equipment, and the measurement precision of the instrument cannot be influenced.
Drawings
Fig. 1 is a left side view of the structure of the terminal connecting device of the present invention;
fig. 2 is a top view of the terminal connecting device of the present invention;
fig. 3 is a schematic view of the terminal connection device of the present invention;
in the figure: 1. an insulating plate; 2. a contact piece insert; 3. a binding post; 4. positioning a right angle; 5. a connecting device base; 6. a screw; 7. a spring binding clip; 8. a bolt; 9. a meter terminal; 10. a terminal connection device; 11. a calibrator.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1-3, a terminal connecting device for field instrument verification includes insulation board 1, location right angle 4 and connecting device base 5, has constituted terminal connecting device 10's basic support, still includes two sets of different test wires of length. The insulating plate 1 is fixed on the connecting device base 5 through a positioning right angle 4 by a bolt 8 and a screw 6, and the stability of the basic support is ensured. The connecting device base 5 is fixed on the movable platform, so that the terminal connecting device 10 is ensured not to shake the test wire connector due to human factors when the instrument is checked, and the checking precision of the instrument is not influenced. The first row of the insulating plate 1 is uniformly provided with grooves, spring jointing clamps 7 with corresponding quantity are arranged, one end of each spring jointing clamp 7 is connected with a test wire, and the other end of each spring jointing clamp 7 is connected with the contact piece plug-in unit 2; the effect of using contact piece plug-in components 2 is extension metal connector length, and because the contact piece plug-in components have 2 concave groove, can increase metal connector's surface roughness, makes alligator clip and metal connector in close contact with to the precision of on-the-spot measured data has been guaranteed. Two terminals 3 are installed in the insulation board 1 second row, a group of power lines are led out from the instrument terminal 9 and are connected to the lower portion of the terminals 3, and the group of power lines are connected to the mains supply from the upper portion of the terminals 3. The purpose of using the wiring terminal 3 is that the display power supply accessed by the detected instrument is commercial power, the voltage is larger, and the wiring terminal is safer to use. Both the terminal connecting device 10 and the calibrator 11 can be installed on a movable platform, so that the use is convenient, and the efficiency of operators is improved. When the instrument is calibrated on site, the whole process is completed on the mobile platform, and the instrument is convenient to move and operate.
The device not only solves the problems of over-high connection frequency of the wires and small terminal spacing and terminal row hole spacing, but also improves the working efficiency of operators under the condition of ensuring the measurement precision, and has convenient use, safe and reliable operation and convenient carrying; the method is suitable for field calibration instruments, and can also optimize the work of laboratory calibration instruments.
Above the embodiment of the utility model provides a detailed description has been made, the utility model discloses only be applicable to the secondary instrument of check-up switch board, instrument voltage generally is not more than 100V, and the electric current is no longer than 5A.
The above embodiments are merely preferred embodiments of the present invention, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the gist of the present invention within the knowledge of those skilled in the art.
Claims (4)
1. A terminal connection device for field instrument verification, characterized by: the insulation board is fixed on the connecting device base through the positioning right angle; the first row of the insulation board is uniformly provided with grooves, spring jointing clamps with corresponding quantity are installed, one end of each spring jointing clamp is connected with the test wire, and the other end of each spring jointing clamp is connected with the contact piece plug-in unit; two terminals are installed in the second row of the insulating plate, a group of power lines are led out from the instrument terminal to be connected into the lower portion of the terminals, and the group of power lines are connected into a mains supply from the upper portion of the terminals.
2. The terminal connection device for field instrument verification of claim 1, wherein: the positioning right angle is fixed on the base of the connecting device through a bolt and a screw.
3. The terminal connection device for field instrument verification of claim 1, wherein: the contact piece plug-in unit is provided with 2 concave grooves.
4. The terminal connection device for field instrument verification of claim 1, wherein: the connecting device base is fixed on the movable platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920837007.7U CN209913186U (en) | 2019-06-05 | 2019-06-05 | Terminal connecting device for field instrument verification |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920837007.7U CN209913186U (en) | 2019-06-05 | 2019-06-05 | Terminal connecting device for field instrument verification |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209913186U true CN209913186U (en) | 2020-01-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920837007.7U Active CN209913186U (en) | 2019-06-05 | 2019-06-05 | Terminal connecting device for field instrument verification |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209913186U (en) |
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2019
- 2019-06-05 CN CN201920837007.7U patent/CN209913186U/en active Active
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