CN211180003U - Portable loop resistance wireless testing device - Google Patents
Portable loop resistance wireless testing device Download PDFInfo
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- CN211180003U CN211180003U CN201921945578.9U CN201921945578U CN211180003U CN 211180003 U CN211180003 U CN 211180003U CN 201921945578 U CN201921945578 U CN 201921945578U CN 211180003 U CN211180003 U CN 211180003U
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- circuit
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- power supply
- supporting frame
- testing device
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Abstract
The utility model belongs to the technical field of loop resistance wireless testing device, in particular to a portable loop resistance wireless testing device, which comprises two operating rods, wherein the tops of the two operating rods are respectively and fixedly connected with a first supporting frame and a second supporting frame, the first supporting frame and the second supporting frame are respectively provided with a clip upper jaw and a clip lower jaw, and the side surface of the first supporting frame is fixedly connected with a power supply; the utility model discloses, battery power supply for the power has avoided leading wire from overhauing power supply box or cable pit, and is simple portable, has improved the whole safe level in scene simultaneously, and heavy current route is short, and wire length is little, and the loss is little, light in weight, convenient operation, voltage test circuit is little, and heavy current route is little, and the wire is short, and the loss is little, and light in weight is suitable for high altitude application environment, and the voltage test line shortens to be favorable to reducing the analog signal return circuit, weakens the influence of space electromagnetic field to measuring.
Description
Technical Field
The utility model belongs to the technical field of the wireless testing arrangement of loop resistance, concretely relates to portable loop resistance wireless testing arrangement.
Background
The high-voltage circuit breaker is the important electrical equipment of electric power system, the life and the operational reliability of high-voltage circuit breaker not only depend on material and structural design, still relevant with the degree of generating heat during operation, when the inside contact of circuit breaker is bad, contact resistance increases, the loss of equipment conductor increases when circular telegram, the contact department temperature risees, the life and the reliability of circuit breaker will reduce, the return circuit resistance test is the important means of detecting circuit breaker quality and equipment state, it is especially important to electric power system safe operation, the traditional return circuit resistance tester of domestic use at present, the wiring is loaded down with trivial details, big current return circuit is long, the loss is big, the wire weight is heavy, the field work intensity is big, and be not convenient.
SUMMERY OF THE UTILITY MODEL
To solve the problems set forth in the background art described above. The utility model provides a portable loop resistance wireless testing arrangement has simple handy characteristics.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a wireless testing arrangement of portable return circuit resistance, includes the action bars, the quantity of action bars is two, two the top of action bars is first support frame and second support frame of fixedly connected with respectively, all be provided with clip maxilla and clip mandible on first support frame and the second support frame, the side fixedly connected with power of first support frame, be provided with current terminal negative pole, current terminal positive pole, voltage negative pole and voltage positive pole on the power, the current terminal negative pole passes through wire and a clip maxilla intercommunication, current terminal positive pole and another clip maxilla intercommunication, the voltage negative pole passes through wire and a clip maxilla intercommunication, voltage positive pole and another clip maxilla intercommunication.
Furthermore, a key and a display screen are arranged on the surface of the power supply.
Furthermore, a clamp rocker is arranged on the side surface of the operating rod.
Furthermore, the power supply is divided into two parts, one part supplies low-voltage large current to the power circuit, the other part converts the voltage into a voltage stabilizing circuit and a VCC voltage supply circuit through the power conversion circuit, wherein the voltage stabilizing circuit is +3.3V, the VCC voltage supply circuit is +5V, the CC voltage supply circuit supplies power to the measuring circuit, the control circuit and the driving circuit, and the control circuit comprises a controller, a wireless communication unit and a man-machine interaction unit.
Further, the power supply comprises a chip U4 and a chip U5, wherein the model of the chip U4 is AMS1117-3.3, and the model of the chip U5 is L M2596-5.0.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses, battery power supply for the power has avoided leading wire from overhauing power supply box or cable pit, and is simple portable, has improved the whole safe level in scene simultaneously, and heavy current route is short, and wire length is little, and the loss is little, light in weight, convenient operation, voltage test circuit is little, and heavy current route is little, and the wire is short, and the loss is little, and light in weight is suitable for high altitude application environment, and the voltage test line shortens to be favorable to reducing the analog signal return circuit, weakens the influence of space electromagnetic field to measuring.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.
The structure, ratio, size and the like shown in the drawings of the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention does not have the substantial significance in the technology, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy which can be produced by the present invention and the achievable purpose.
FIG. 1 is a schematic structural diagram of the testing device of the present invention;
FIG. 2 is a schematic structural view of a high-altitude junction pole and a power supply of the present invention;
FIG. 3 is a wiring diagram of a high-altitude junction pole of the present invention;
fig. 4 is a front view of the testing power supply of the present invention;
fig. 5 is a functional block diagram of the present invention;
fig. 6 is a power conversion circuit diagram of the present invention;
fig. 7 is a circuit diagram of the driving circuit, the power circuit and the power filter circuit of the present invention;
fig. 8 is a circuit diagram of the current measuring circuit of the present invention;
fig. 9 is a circuit diagram of the voltage measurement of the present invention;
fig. 10 is a control circuit diagram of the present invention;
fig. 11 is a circuit diagram of a wireless communication unit according to the present invention;
FIG. 12 is a circuit diagram of the human-computer interaction of the present invention;
in the figure: 1. an operating lever; 2. a support frame; 3. a power source; 4. a clip upper jaw; 5. a clip lower jaw; 6. pressing a key; 7. a current terminal cathode; 8. a current terminal positive electrode; 9. a voltage negative electrode; 10. a voltage positive electrode; 11. a wire; 12. a clip rocker; 13. a display screen.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the embodiments described below are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. It should be noted that when one component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present.
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
Referring to fig. 1-12, the present invention provides the following technical solutions: a portable loop resistance wireless testing device comprises operating rods 1, the number of the operating rods 1 is two, the tops of the two operating rods 1 are fixedly connected with a first supporting frame 2 and a second supporting frame respectively, the first supporting frame 2 and the second supporting frame are both provided with a clamp upper jaw 4 and a clamp lower jaw 5, the side surface of the first supporting frame 2 is fixedly connected with a power supply 3, the power supply 3 is provided with a current terminal negative electrode 7, a current terminal positive electrode 8, a voltage negative electrode 9 and a voltage positive electrode 10, the current terminal negative electrode 7 is communicated with one clamp upper jaw 4 through a lead 11, the current terminal positive electrode 8 is communicated with the other clamp upper jaw 4, the voltage negative electrode 9 is communicated with one clamp lower jaw 5 through a lead 11, the voltage positive electrode 10 is communicated with the other clamp upper jaw 4, the power supply 3 supplies power for a battery, and the power supply 3 supplies power for the battery, the device avoids the lead from the maintenance of a power supply 3 box or a cable trench, is simple and portable, improves the overall safety level of the site, and has the advantages of short large current path, small length of the lead 11, small loss, light weight, convenient operation, small voltage test loop, small large current path, short lead 11, small loss and light weight, and is suitable for the high-altitude application environment.
Specifically, the surface of the power supply 3 is provided with the keys 6 and the display screen 13, so that the device is convenient to operate, and the detection information is convenient to observe.
Specifically, the side of the operating rod 1 is provided with the clamp rocker 12, so that the device is simple and convenient to operate and convenient to carry.
Specifically, the power supply 3 supplies power and is divided into two parts, one part supplies low-voltage large current to the power circuit, the other part converts the voltage into a voltage stabilizing circuit and a VCC voltage supply circuit through the power supply conversion circuit, wherein the voltage stabilizing circuit is +3.3V, wherein the VCC voltage supply circuit is +5V, and the CC voltage supply circuit supplies power to the measuring circuit, the control circuit and the driving circuit, and the control circuit comprises a controller, a wireless communication unit and a man-machine interaction unit.
Specifically, the power supply 3 comprises a chip U4 and a chip U5, wherein the model of the chip U4 is AMS1117-3.3, and the model of the chip U5 is L M2596-5.0.
The utility model discloses a theory of operation and use flow: the utility model discloses, when using, wave clip rocker 12, remove two clip maxilla 4, make two clip maxilla 4 and clip chin 5 fasten on equipment under test's copper, then press the button and test equipment under test, power 3 uses the battery power supply, has avoided leading wire from overhauing power supply box or cable pit, and is simple portable, and the heavy current route is short, and wire 11 length is little, and the loss is little, light in weight, convenient operation.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (5)
1. The utility model provides a wireless testing arrangement of portable return circuit resistance, includes action bars (1), its characterized in that: the number of the operating rods (1) is two, the tops of the two operating rods (1) are respectively and fixedly connected with a first supporting frame (2) and a second supporting frame, the first support frame (2) and the second support frame are both provided with a clamp upper jaw (4) and a clamp lower jaw (5), a power supply (3) is fixedly connected to the side surface of the first support frame (2), a current binding post cathode (7), a current binding post anode (8), a voltage cathode (9) and a voltage anode (10) are arranged on the power supply (3), the negative pole (7) of the current binding post is communicated with a clip upper jaw (4) through a lead (11), the positive pole (8) of the current wiring terminal is communicated with the other clip upper jaw (4), the voltage negative pole (9) is communicated with one clamp lower jaw (5) through a lead (11), and the voltage positive pole (10) is communicated with the other clamp lower jaw (5).
2. The portable loop resistance wireless testing device of claim 1, wherein: the surface of the power supply (3) is provided with a key (6) and a display screen (13).
3. The portable loop resistance wireless testing device of claim 1, wherein: the side surface of the operating rod (1) is provided with a clamp rocker (12).
4. The portable loop resistance wireless testing device of claim 1, wherein: the power supply (3) supplies power and is divided into two parts, one part provides low-voltage heavy current for the power circuit, another part supplies voltage conversion to voltage stabilizing circuit and VCC through power conversion circuit, wherein voltage stabilizing circuit is +3.3V, wherein VCC supplies voltage circuit for +5V, and VCC supplies voltage circuit to supply power for measuring circuit, control circuit and drive circuit simultaneously, and control circuit includes controller, wireless communication unit and man-machine interaction unit.
5. The portable wireless loop resistance testing device of claim 1, wherein the power supply (3) comprises a chip U4 and a chip U5, wherein the chip U4 is AMS1117-3.3, and wherein the chip U5 is L M2596-5.0.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921945578.9U CN211180003U (en) | 2019-11-12 | 2019-11-12 | Portable loop resistance wireless testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921945578.9U CN211180003U (en) | 2019-11-12 | 2019-11-12 | Portable loop resistance wireless testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211180003U true CN211180003U (en) | 2020-08-04 |
Family
ID=71824735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921945578.9U Active CN211180003U (en) | 2019-11-12 | 2019-11-12 | Portable loop resistance wireless testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211180003U (en) |
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2019
- 2019-11-12 CN CN201921945578.9U patent/CN211180003U/en active Active
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