CN213364910U - Mutual inductor characteristic comprehensive tester - Google Patents
Mutual inductor characteristic comprehensive tester Download PDFInfo
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- CN213364910U CN213364910U CN202022196067.0U CN202022196067U CN213364910U CN 213364910 U CN213364910 U CN 213364910U CN 202022196067 U CN202022196067 U CN 202022196067U CN 213364910 U CN213364910 U CN 213364910U
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Abstract
The utility model discloses a mutual inductor characteristic comprehensive tester, which comprises an installation box, wherein a square installation cylinder is arranged in the installation box, two ends of the square installation cylinder are opened, the top surface of the square installation cylinder is laminated with the top surface of the installation box, and an air inlet is arranged at the laminating part; one end of the square mounting cylinder is fixed on the inner side wall of the mounting box, and an exhaust hole is formed in the fixing position; a temperature control system is arranged in the installation box; the temperature control system comprises a refrigeration piece, a heat exchange part and a heat dissipation part, the refrigeration piece is positioned at one end of the square mounting cylinder, which is far away from the exhaust hole, the heat exchange part and the heat dissipation part are respectively positioned at two ends of the refrigeration piece, and a temperature sensor is arranged in the mounting box; the refrigerating sheet, the heat dissipation component and the temperature sensor are all electrically connected with the control module. The utility model discloses simple structure, work that external ambient temperature is lower or when higher all can be stable, and the data that detect are more accurate.
Description
Technical Field
The utility model belongs to mutual-inductor characteristic integrated test field specifically is a mutual-inductor characteristic integrated test appearance.
Background
The instrument transformer calibrator is specially designed for testing volt-ampere characteristics, transformation ratio, polarity, error curve, inflection point calculation, secondary side loop check and the like of the instrument transformer. The electronic inspection device is high in cost performance and wide in application.
Now, a Chinese patent with a patent application number of CN201320374665.X is retrieved, and an intelligent full-automatic mutual inductor calibrator is disclosed, which comprises a voltage/current testing module, a control module, a display module and an intelligent controller; the voltage/current testing module is connected with the control module; the control module is provided with an output port which can be connected with the input end of the tested mutual inductor; the display module is provided with a loop port connected with the output end of the tested mutual inductor, and a loop can be formed by the tested mutual inductor and the output port; the voltage/current testing module, the control module and the display module are all connected with the intelligent controller; the intelligent controller can control the voltage/current testing module, the control module and the display module to automatically complete work according to a preset program.
The operating temperature of intelligent full-automatic mutual inductor is mostly-10 ℃ to 50 ℃, and this kind of intelligent full-automatic mutual inductor check gauge is inside also to include a large amount of electronic components, can't work under the lower environment of temperature, perhaps during long-time work under the higher environment of temperature, the inside electronic components of check gauge gives off a large amount of heats, piles up and is difficult to the effluvium inside the check gauge, can make check gauge work unstable, and the measured value has great error, can not work even.
Disclosure of Invention
The utility model aims at providing a mutual-inductor characteristic integrated test appearance has solved that current full-automatic mutual-inductor check gauge operating temperature scope is less, can't work under the lower environment of temperature, perhaps during long-time during operation under the higher environment of temperature, the inside electronic components of check gauge gives off a large amount of heats, piles up and is difficult to the effluvium inside the check gauge, can make check gauge job stabilization, and the measured value has great error, the problem that can't work even.
In order to achieve the above object, the utility model adopts the following technical scheme: a mutual inductor characteristic comprehensive tester comprises an installation box, wherein a control module, a voltage/current testing module and a display module are arranged in the installation box, the voltage/current testing module and the display module are respectively and electrically connected with the control module, a square installation cylinder is arranged in the installation box, two ends of the square installation cylinder are opened, the top surface of the square installation cylinder is attached to the top surface of the installation box, and an air inlet hole for communicating the inside of the square installation cylinder with the outside is formed in the attachment position; one end of the square mounting cylinder is fixed on the inner side wall of the mounting box, and an exhaust hole for communicating the inside of the square mounting cylinder with the outside is formed in the fixing position; a temperature control system is arranged in the installation box;
the temperature control system comprises a refrigeration piece, a heat exchange component and a heat dissipation component, wherein the refrigeration piece is positioned at one end of the square mounting cylinder, which is far away from the exhaust hole, the heat exchange component is positioned at one end of the refrigeration piece, which is far away from the exhaust hole, the heat dissipation component is positioned at one end of the refrigeration piece, which is close to the exhaust hole, the heat exchange component is positioned outside the square mounting cylinder and in the mounting box, and the heat dissipation component is positioned in the square mounting cylinder; a temperature sensor is arranged in the installation box; the refrigerating sheet, the heat dissipation component and the temperature sensor are all electrically connected with the control module.
The utility model discloses a refrigeration piece that sets up absorbs the heat in the install bin when the power is just connecing, reduces the temperature in the install bin, can produce the heat and heat for the install bin when the power is reverse to connect, improves the temperature in the install bin, through the heat exchange part who sets up, can make refrigeration piece carry out heat exchange with the install bin inside better, can discharge the heat that the exhaust hole one end that the refrigeration piece is close to produced outside the install bin through the radiating part that sets up; the temperature of the installation box can be monitored in real time through the temperature sensor, and the control module can control the refrigeration piece, the heat exchange component and the heat dissipation component to work according to the temperature in the installation box.
Specifically, the heat exchange component comprises a hollow heat exchange copper block and a heat exchange copper pipe, the heat exchange copper block is installed at one end, far away from the exhaust hole, of the refrigeration sheet, and the heat exchange copper block seals an opening, close to one end of the refrigeration sheet, of the square installation cylinder, so that gas loss inside the installation box is avoided, and heat exchange efficiency is improved; the heat exchange copper block is provided with a water inlet and a water outlet, two ends of the heat exchange copper pipe are respectively communicated with the water inlet and the water outlet of the heat exchange copper block, the middle section of the heat exchange copper pipe is provided with a water pump for driving cooling liquid to circulate in the heat exchange copper pipe and the heat exchange copper block, and the water pump is electrically connected with the control module; the heat exchange copper pipe can be fine carry out the heat exchange with the install bin inside, the heat exchange copper billet can be fine carry out the heat exchange with heat exchange copper pipe and refrigeration piece, the water pump can promote the rivers that exchange heat copper intraductal to flow for the speed of heat exchange.
Furthermore, the heat exchange copper pipe is positioned on the inner side of the top surface of the installation box; the heat in the installation box can be better absorbed.
The cooling device comprises a cooling fin and a cooling fan, wherein the cooling fin is arranged at one end of the refrigeration piece close to the exhaust hole, and the cooling fan is arranged at one end of the cooling fin far away from the refrigeration piece; the heat radiation fan is electrically connected with the control module; the cooling fin can be fine absorb the refrigeration piece near the heat of the one end of exhaust hole to in giving off the heat to the air around, radiator fan can be with the heat removal in the air around.
Further, the installation box and the square installation cylinder are both made of heat insulation materials; the temperature difference between the inside and the outside of the installation box can be better kept.
Further, heat-conducting silicone grease is coated between the refrigeration sheet and the heat exchange copper block and between the refrigeration sheet and the heat dissipation sheet; a better heat conduction effect can be achieved.
Compared with the prior art, the beneficial effects of the utility model are that: the inside of the installation box is cooled or heated through the refrigerating sheet arranged at one end of the square installation cylinder, the temperature inside the installation box is adjusted, and a certain temperature difference can be kept between the inside of the installation box and the outside through the heat-insulating installation box, so that the utility model can stably work in a lower or higher external environment, and the accuracy of the measured value is improved; through setting up heat exchange component and the radiating part at refrigeration piece both ends, can be better to the inside cooling of install bin or heating, make the working effect of refrigeration piece better.
Drawings
FIG. 1 is a top sectional view of the present invention;
FIG. 2 is a schematic view of the installation structure of the square installation cylinder in the installation box of the present invention;
in the figure: 1. installing a box; 2. a control module; 3. a voltage/current test module; 4. a display module; 5. a square mounting cylinder; 6. a refrigeration plate; 7. an air inlet; 8. an exhaust hole; 9. a temperature sensor; 10. a heat exchange copper block; 11. a heat exchange copper pipe; 12. a water pump; 13. a heat sink; 14. a heat dissipation fan.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments of 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.
As shown in fig. 1, the present embodiment provides a mutual inductor characteristic comprehensive tester, which includes an installation box 1, a control module 2, a voltage/current testing module 3 and a display module 4 are arranged in the installation box 1, the voltage/current testing module and the display module are respectively electrically connected to the control module 2, a square installation cylinder 5 is arranged in the installation box 1 (the position relationship between the square installation cylinder 5 and the installation box 1 is shown in fig. 2), two ends of the square installation cylinder 5 are open, the top surface of the square installation cylinder 5 is attached to the top surface of the installation box 1, and an air inlet 7 for communicating the inside of the square installation cylinder 5 with the outside is arranged at the attachment position; one end of the square mounting cylinder 5 is fixed on the inner side wall of the mounting box 1, and an exhaust hole 8 for communicating the inside of the square mounting cylinder 5 with the outside is arranged at the fixed position; a temperature control system is arranged in the installation box 1;
the temperature control system comprises a refrigeration piece 6, a heat exchange component and a heat dissipation component, wherein the refrigeration piece 6 is positioned at one end, far away from the exhaust hole 8, of the square mounting cylinder 5, the heat exchange component is positioned at one end, far away from the exhaust hole 8, of the refrigeration piece 6, the heat dissipation component is positioned at one end, close to the exhaust hole 8, of the refrigeration piece 6, the heat exchange component is positioned outside the square mounting cylinder 5 and inside the mounting box 1, and the heat dissipation component is positioned inside the square mounting cylinder 5; a temperature sensor 9 is arranged in the installation box 1; the refrigerating sheet 6, the heat dissipation component and the temperature sensor 9 are all electrically connected with the control module 2.
The utility model discloses a 6 absorption installation casees's heat in 1 of refrigeration piece that set up, reduce the temperature in the installation case 1, refrigeration piece 6 also can be with the negative and positive reversal, change the direction of electric current, make the thermal one end produce the heat and heat for installation case 1 inside in the original absorption installation case 1, improve the temperature in the installation case 1, through the heat exchange part who sets up, can make 6 of refrigeration piece carry out the heat exchange with the installation case 1 inside better, can discharge the heat that 8 one end of exhaust hole that refrigeration piece 6 is close to produced outside installation case 1 through the radiating part that sets up; can real time monitoring install bin 1's temperature through temperature sensor 9, control module 2 can be according to the work of temperature control refrigeration piece 6, heat exchange component, radiating part in the install bin 1.
Specifically, the heat exchange component comprises a hollow heat exchange copper block 10 and a heat exchange copper pipe 11, the heat exchange copper block 10 is installed at the end, far away from the exhaust hole 8, of the refrigeration sheet 6, and the heat exchange copper block 10 seals the opening, close to the refrigeration sheet 6, of the square installation cylinder 5, so that gas loss inside the installation box 1 is avoided, and heat exchange efficiency is improved; a water inlet and a water outlet are formed in the heat exchange copper block 10, two ends of the heat exchange copper pipe 11 are respectively communicated with the water inlet and the water outlet of the heat exchange copper block 10, a water pump 12 for driving cooling liquid to circulate in the heat exchange copper pipe 11 and the heat exchange copper block 10 is arranged in the middle section of the heat exchange copper pipe 11, and the water pump 12 is electrically connected with the control module 2; heat exchange copper pipe 11 can be fine carry out the heat exchange with the installation box 1 is inside, heat exchange copper billet 10 can be fine carry out the heat exchange with heat exchange copper pipe 11 and refrigeration piece 6, water pump 12 can promote the rivers of heat exchange copper pipe 11 interior and flow for the speed of heat exchange to better heating or cooling installation box 1 is inside.
Further, the heat exchange copper pipe 11 is positioned on the inner side of the top surface of the installation box 1; the hot air is lighter, and on the upper portion of installing box 1, heat exchange copper pipe 11 can be better at the heat in the absorbing installing box 1 at the top to realize better cooling effect.
Specifically, the heat dissipation component comprises a heat dissipation fin 13 and a heat dissipation fan 14, the heat dissipation fin 13 is installed at one end of the refrigeration sheet 6 close to the exhaust hole 8, the position of the air inlet hole 7 corresponds to the position of the heat dissipation fin 13, and the heat dissipation fan 14 is installed at one end of the heat dissipation fin 13 far away from the refrigeration sheet 6; the heat radiation fan 14 is electrically connected with the control module 2; the heat dissipation fins 13 can well absorb the heat at one end, close to the exhaust holes 8, of the refrigeration fin 6 and dissipate the heat into the surrounding air, and the heat dissipation fan 14 can drive the air to enter the square mounting cylinder 5 from the air inlet holes 7 and then be discharged out of the mounting box 1 from the exhaust holes 8 to take away the heat dissipated by the heat dissipation fins 13.
Further, the installation box 1 and the square installation cylinder 5 are both made of heat insulation materials; can completely cut off the heat exchange of 1 inside and external environment of install bin as far as possible, the temperature difference of the inside and outside of better maintenance install bin provides suitable operational environment for electronic components in the install bin 1.
Further, heat-conducting silicone grease is coated between the refrigeration sheet 6 and the heat exchange copper block 10 and between the refrigeration sheet and the heat dissipation sheet 13; the contact end faces of the heat exchange copper block 10 and the cooling fin 13 and the refrigerating fin 6 may have incomplete contact positions, and the heat conduction silicone grease can fill the incomplete contact positions, so that a better heat conduction effect is realized.
The working principle is as follows: when the utility model is started to detect the mutual inductor, the temperature sensor 9 transmits the temperature inside the installation box 1 to the control module 2 in real time, when the temperature is higher than 30 ℃, the cooling mode is started until the temperature reaches 20 ℃, and the cooling mode is stopped; when the temperature is lower than 10 ℃, starting a heating mode until the temperature reaches 20 ℃, and stopping the heating mode;
a cooling mode: the control module 2 controls the refrigeration sheet 6 to be positively connected with a power supply, one end, far away from the exhaust hole 8, of the refrigeration sheet 6 absorbs heat, the other end of the refrigeration sheet generates heat, the water pump 12 and the heat dissipation fan 14 are started simultaneously, the water pump 12 drives water in the heat exchange copper pipe 11 and the heat exchange copper block 10 to flow, and the heat dissipation fan 14 drives air to enter the square mounting cylinder 5 from the air inlet hole 7 and then to be exhausted from the exhaust hole 8; the inside heat of install bin 1 is absorbed by the inside rivers of heat transfer copper pipe 11 and heat transfer copper pipe 11, the inside rivers of heat transfer copper pipe 11 and heat transfer copper billet 10 of heat transfer copper pipe 11, the heat of heat transfer copper billet 10 is siphoned away by refrigeration piece 6 again, the temperature in the install bin 1 reduces, the heat conduction that refrigeration piece 6 produced is on fin 13, give off in the air through fin 13, radiator fan 14 drives the air and flows, the heat that gives off fin 13 is arranged outside install bin 1.
Heating mode: the control module 2 controls the refrigeration sheet 6 to be reversely connected with the power supply, one end, far away from the exhaust hole 8, of the refrigeration sheet 6 generates heat, the other end absorbs the heat, the water pump 12 is started, and the water pump 12 drives water in the heat exchange copper pipe 11 and the heat exchange copper block 10 to flow; on heat conduction that refrigeration piece 6 produced the heat transfer copper billet 10, give off the install bin 1 through heat transfer copper pipe 11 in, promote the temperature in the install bin 1, the heat on the fin 13 is absorbed to the 6 other ends of refrigeration piece, and the fin 13 absorbs the heat from the air on every side.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A mutual inductor characteristic comprehensive tester comprises an installation box, wherein a control module, a voltage/current testing module and a display module are arranged in the installation box, and the voltage/current testing module and the display module are respectively and electrically connected with the control module; one end of the square mounting cylinder is fixed on the inner side wall of the mounting box, and an exhaust hole for communicating the inside of the square mounting cylinder with the outside is formed in the fixing position; a temperature control system is arranged in the installation box;
the temperature control system comprises a refrigeration piece, a heat exchange component and a heat dissipation component, wherein the refrigeration piece is positioned at one end of the square mounting cylinder, which is far away from the exhaust hole, the heat exchange component is positioned at one end of the refrigeration piece, which is far away from the exhaust hole, the heat dissipation component is positioned at one end of the refrigeration piece, which is close to the exhaust hole, the heat exchange component is positioned outside the square mounting cylinder and in the mounting box, and the heat dissipation component is positioned in the square mounting cylinder; a temperature sensor is arranged in the installation box; the refrigerating sheet, the heat dissipation component and the temperature sensor are all electrically connected with the control module.
2. The instrument for comprehensively testing the characteristics of the mutual inductor according to claim 1, wherein the heat exchange part comprises a hollow heat exchange copper block and a heat exchange copper pipe, the heat exchange copper block is installed at one end of the refrigeration piece, which is far away from the exhaust hole, a water inlet and a water outlet are formed in the heat exchange copper block, two ends of the heat exchange copper pipe are respectively communicated with the water inlet and the water outlet of the heat exchange copper block, a water pump for driving cooling liquid to circulate in the heat exchange copper pipe and the heat exchange copper block is arranged in the middle section of the heat exchange copper pipe, and the water pump is electrically connected with the control module.
3. The instrument for testing instrument transformer characteristics in combination as claimed in claim 2, wherein said heat exchange copper tube is located inside of the top surface of said mounting box.
4. The instrument transformer characteristic comprehensive tester as claimed in claim 3, wherein the heat dissipating member comprises a heat dissipating fin and a heat dissipating fan, the heat dissipating fin is installed at one end of the cooling fin close to the air vent, and the heat dissipating fan is installed at one end of the heat dissipating fin far from the cooling fin; the heat radiation fan is electrically connected with the control module.
5. The instrument transformer characteristic comprehensive tester as claimed in claim 1, wherein the mounting box and the square mounting cylinder are made of a heat insulating material.
6. The instrument for comprehensively testing the characteristics of the mutual inductor as claimed in claim 4, wherein heat-conducting silicone grease is coated between the refrigerating sheet and the heat exchange copper block and between the refrigerating sheet and the heat radiating sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022196067.0U CN213364910U (en) | 2020-09-30 | 2020-09-30 | Mutual inductor characteristic comprehensive tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022196067.0U CN213364910U (en) | 2020-09-30 | 2020-09-30 | Mutual inductor characteristic comprehensive tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213364910U true CN213364910U (en) | 2021-06-04 |
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ID=76156843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022196067.0U Active CN213364910U (en) | 2020-09-30 | 2020-09-30 | Mutual inductor characteristic comprehensive tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213364910U (en) |
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2020
- 2020-09-30 CN CN202022196067.0U patent/CN213364910U/en active Active
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