CN217425589U

CN217425589U - Load device for testing adapter

Info

Publication number: CN217425589U
Application number: CN202220122147.8U
Authority: CN
Inventors: 艾中心; 吴佳乐; 丁旺生; 廖立波; 钟惠兰
Original assignee: Shenzhen Huaxia Quasi Testing Technology Co ltd
Current assignee: Shenzhen Huaxia Quasi Testing Technology Co ltd
Priority date: 2022-01-15
Filing date: 2022-01-15
Publication date: 2022-09-13
Anticipated expiration: 2032-01-15

Abstract

The utility model discloses a load device for adapter test, which comprises a housin, casing one side is provided with display and function key respectively, the inside testing arrangement that is provided with of casing, casing one side is the fixed connection anodal wiring stake and the negative pole wiring stake respectively, casing one side top is provided with power supply picture peg and test picture peg, the inside cooling body that is provided with of casing the cooling body includes liquid cooling box, mineral insulating oil, first circulating pipe, second circulating pipe, oil pump, cooling box, third circulating pipe, semiconductor refrigeration piece, liquid cooling box fixed connection is at the casing inner wall, mineral insulating oil sets up in the liquid cooling box; the utility model provides a technique, among the technical scheme, through setting up cooling body and soaking testing arrangement in insulating mineral oil, utilize semiconductor refrigeration piece and oil pump, refrigerate insulating mineral oil, reduced the heat that testing arrangement inside test resistance produced greatly, improve the test load precision.

Description

Load device for testing adapter

Technical Field

The utility model relates to an adapter test technical field specifically is a load device for adapter test.

Background

The power adapter is an electronic product commonly used in daily life, a power adapter is required to supply power to a mobile phone computer and the like, the working principle of the power adapter is that alternating current is changed into direct current to be output, and the power adapter needs to be subjected to load test in order to ensure the charging safety of the power adapter and prevent the number of counterfeit products from being charged.

The prior art has the following defects or problems:

1. when the existing adapter test load device is used, heat is generated inside the test device, so that the internal resistance of the load test device is increased, and the test load precision is influenced;

2. when the existing adapter test load device is used, the power, the output current and the like of the adapter test load device are inconvenient to test according to different adapters, and the adapter test load device is inconvenient to use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a weak point to prior art, provide a load device for adapter test to solve the problem that proposes in the background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a load device for testing an adapter comprises a shell, wherein a display and a function key are respectively arranged on one side of the shell, a testing device is arranged in the shell, a positive wiring pile and a negative wiring pile are respectively and fixedly connected to one side of the shell, a power supply plugboard and a testing plugboard are arranged at the top of one side of the shell, and a cooling mechanism is arranged in the shell;

cooling body includes liquid cooling box, mineral insulation oil, first circulating pipe, second circulating pipe, oil pump, cooling box, third circulating pipe, semiconductor refrigeration piece, liquid cooling box fixed connection is at shells inner wall, mineral insulation oil sets up inside the liquid cooling box, first circulating pipe fixed connection is in liquid cooling bottom of the case portion, oil pump input end fixed connection son first circulating pipe one end, second circulating pipe fixed connection is at the oil pump output, cooling box fixed connection is in liquid cooling box one side, third circulating pipe fixed connection is at the cooling box top, semiconductor refrigeration piece fixed connection is in cooling box one side.

Optionally, the display and the function key are electrically connected with the testing device, the positive wiring pile and the negative wiring pile are electrically connected with the testing device, and the testing device is arranged inside the mineral insulating oil.

Optionally, a plug board mounting groove is formed in the top of one side of the shell, and the power supply plug board and the test plug board are both arranged in the plug board mounting groove.

Optionally, the power supply plugboard and the bottom of the test plugboard are both fixedly connected with a plugboard positive electrode contact, the power supply plugboard and the side wall of the bottom of the test plugboard are both fixedly connected with a plugboard negative electrode elastic sheet, and the plugboard positive electrode contact and the plugboard negative electrode elastic sheet are both electrically connected with the test device.

Optionally, an adapter is arranged at the top of the power supply plugboard, an output line is arranged at one end of the adapter, and one end of the output line is arranged at the top of the test plugboard.

Optionally, the inside fixedly connected with mount of casing, mount one side fixed mounting has the heat dissipation motor, heat dissipation motor output fixedly connected with flabellum, the flabellum sets up in semiconductor refrigeration piece one side.

Compared with the prior art, the utility model provides a load device for adapter test possesses following beneficial effect:

1. the utility model discloses a set up cooling body through soaking testing arrangement in insulating mineral oil, utilize semiconductor refrigeration piece and oil pump, refrigerate insulating mineral oil, reduced the heat that testing arrangement internal test resistance produced greatly, improve test load precision;

2. the utility model discloses a set up multiunit picture peg mounting groove, power supply picture peg and test picture peg to power supply picture peg and test picture peg can be changed power supply picture peg and test picture peg according to the different socket shape of adapter, and it is more convenient to use.

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 structures shown in the drawings without creative efforts.

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a back partial sectional view of the present invention;

FIG. 3 is a schematic view of the test and installation of the adapter of the present invention;

fig. 4 is a partially enlarged view of a portion a in fig. 1 according to the present invention.

In the figure: 1. a housing; 101. a display; 102. a function key; 2. a liquid cooling tank; 21. a testing device; 201. mineral insulating oil; 202. a first circulation pipe; 2021. a second circulation pipe; 203. an oil pump; 204. a cooling tank; 205. a third circulation pipe; 206. a semiconductor refrigeration sheet; 207. a fixed mount; 208. a heat dissipation motor; 209. a fan blade; 3. a positive wiring pile; 4. a negative wiring pile; 5. a power supply plugboard; 6. testing a plug board; 601. a plug board positive contact; 602. inserting plate negative elastic sheet; 603. inserting plate installing grooves; 7. an adapter; 701. and (6) an output line.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be further noted that, unless explicitly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, connected through an intermediate medium, or connected to the inside of two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1-4, in this embodiment: a load device for testing an adapter comprises a shell 1, wherein one side of the shell 1 is respectively provided with a display 101 and a function key 102, a testing device 21 is arranged in the shell 1, one side of the shell 1 is respectively and fixedly connected with a positive wiring pile 3 and a negative wiring pile 4, the top of one side of the shell 1 is provided with a power supply plugboard 5 and a testing plugboard 6, and a cooling mechanism is arranged in the shell 1;

the cooling mechanism comprises a liquid cooling box 2, mineral insulating oil 201, a first circulating pipe 202, a second circulating pipe 2021, an oil pump 203, a cooling box 204, a third circulating pipe 205 and a semiconductor refrigerating sheet 206, the liquid cooling box 2 is fixedly connected to the inner wall of the shell 1, the mineral insulating oil 201 is arranged inside the liquid cooling box 2, the first circulating pipe 202 is fixedly connected to the bottom of the liquid cooling box 2, the input end of the oil pump 203 is fixedly connected with one end of the first circulating pipe 202, the second circulating pipe 2021 is fixedly connected to the output end of the oil pump 203, the cooling box 204 is fixedly connected to one side of the liquid cooling box 2, the third circulating pipe 205 is fixedly connected to the top of the cooling box 204, and the semiconductor refrigerating sheet 206 is fixedly connected to one side of the cooling box 204; the display 101 can display the complex parameters of the current test, which is convenient to observe and record, different test functions can be realized through the corresponding buttons on the function keys 102, the test device 21 is the main core of the equipment, the test device 21 integrates a power supply circuit, a test circuit, a display circuit of the display 101, an electric signal circuit of the function keys 102, a central processing chip and the like, the power supply plugboard 5 is arranged to provide stable voltage for the adapter 7 to be tested, the test plugboard 6 can feed the current, the voltage, the power and the like output by the adapter 7 back to the central processing unit, and finally the numerical value is displayed on the display 101, the cooling mechanism is arranged to cool the internal circuit of the test device 21, the problem that the test precision is reduced due to the temperature rise of the resistor in the test device 21 is prevented, the liquid cooling box 2 is arranged to store the mineral insulating oil 201 and install the test device 21, one end of a first circulating pipe 202 is connected to the bottom of the liquid cooling tank 2, the other end of the first circulating pipe is installed at the input end of the oil pump 203, one end of a second circulating pipe 2021 is connected to the output end of the oil pump 203, and the other end of the second circulating pipe is installed at the bottom of the cooling tank 204, so that the semiconductor chilling plate 206 on one side of the cooling tank 204 is used for cooling the mineral insulating oil 201 passing through the cooling tank 204, and then the cooled mineral insulating oil 201 is discharged into the liquid cooling tank 2 through a third circulating pipe 205 connected to the top of the cooling tank 204, so that circulating cooling is achieved, the test resistor of the test device 21 is cooled more efficiently, the semiconductor chilling plate 206 is a heat transfer tool, the cooling principle is that when a thermocouple formed by connecting an N-type semiconductor material and a P-type semiconductor material has current flowing through the pair, heat transfer between the two ends occurs, the heat is transferred from one end to the other end, so that a temperature difference is generated to form a cold end and a hot end, the refrigerating surface of the semiconductor refrigerating plate 206 is connected with one side of the cooling box 204.

The display 101 and the function key 102 are both electrically connected with the testing device 21, and the positive wiring pile 3 and the negative wiring pile 4 are both electrically connected with the testing device 21; the display 101 and the function keys 102 are electrically connected to the testing device 21, so that the testing device 21 can be debugged for some functions through the function keys 102, the operation process, the test values and the like can be displayed by using the display 101, and the positive pole stub 3 and the negative pole stub 4 are provided to serve as the adapter 7 for testing a part without an output plug.

The top of one side of the shell 1 is provided with an inserting plate mounting groove 603, and the power supply inserting plate 5 and the test inserting plate 6 are both arranged in the inserting plate mounting groove 603; the purpose of the board mounting slot 603 is to mount the power supply board 5 and the test board 6, so that the test board 6 of the power supply board 5 can be replaced conveniently according to the difference of the adapters 7.

The bottoms of the power supply plugboard 5 and the test plugboard 6 are both fixedly connected with a plugboard positive contact 601, the side walls of the bottoms of the power supply plugboard 5 and the test plugboard 6 are both fixedly connected with a plugboard negative elastic sheet 602, and the plugboard positive contact 601 and the plugboard negative elastic sheet 602 are both electrically connected with the test device 21; the positive plug board contact 601 and the negative plug board elastic piece 602 are arranged to be connected with corresponding contacts in the plug board mounting groove 603, so that the power supply plug board 5 and the test plug board 6 can be replaced conveniently, the power supply plug board 5 is connected with a power supply circuit of the test device 21, and the test plug board 6 is connected with a test circuit of the test device 21.

The top of the power supply plugboard 5 is provided with an adapter 7, one end of the adapter 7 is provided with an output line 701, and one end of the output line 701 is arranged at the top of the test plugboard 6; the input end of the adapter 7 is arranged at the output end of the power supply plugboard 5 to supply power to the adapter 7, the output end of the output line 701 is connected with the input end of the test plugboard 6, the output value of the adapter 7 is fed back to the test device 21 through the test plugboard 6, and finally the output value is displayed on the display 101 through the display circuit of the test device 21.

A fixing frame 207 is fixedly connected inside the shell 1, a heat dissipation motor 208 is fixedly installed on one side of the fixing frame 207, a fan blade 209 is fixedly connected to the output end of the heat dissipation motor 208, and the fan blade 209 is arranged on one side of the semiconductor refrigeration sheet 206; the fixing frame 207 is used for installing the heat dissipation motor 208, and the fan blades 209 are driven to rotate by the rotation of the heat dissipation motor 208 to dissipate heat of the heating surface of the semiconductor cooling plate 206.

The utility model discloses a theory of operation and use flow: when in use, the input end of the adapter 7 is inserted into the power supply plugboard 5; the output line 701 is inserted into the test plugboard 6, when the output line 701 at the output end of the adapter 7 has no plug, the output line can be connected through the positive wiring pile 3 and the negative wiring pile 4 on one side of the shell 1, then a test result is displayed in the display 101 through a central processing unit in the test device 21, the mineral insulating oil 201 passing through the cooling box 204 is cooled by the semiconductor refrigerating sheet 206 on one side of the cooling box 204 in the test process, and then the cooled mineral insulating oil 201 is discharged into the liquid cooling box 2 through the third circulating pipe 205 connected to the top of the cooling box 204, so that circulating cooling is realized, the test resistance of the test device 21 is cooled more efficiently, and the test precision is improved.

The above only is the preferred embodiment of the present invention, not so limiting the patent scope of the present invention, all under the concept of the present invention, the equivalent structure transformation made by the contents of the specification and the drawings is utilized, or the direct/indirect application is included in other related technical fields in the patent protection scope of the present invention.

Claims

1. A load device for adapter testing, characterized by: the testing device comprises a shell (1), wherein a display (101) and a function key (102) are respectively arranged on one side of the shell (1), a testing device (21) is arranged in the shell (1), a positive wiring pile (3) and a negative wiring pile (4) are respectively and fixedly connected to one side of the shell (1), a power supply plugboard (5) and a testing plugboard (6) are arranged at the top of one side of the shell (1), and a cooling mechanism is arranged in the shell (1);

the cooling mechanism comprises a liquid cooling box (2), mineral insulating oil (201), a first circulating pipe (202), a second circulating pipe (2021), an oil pump (203), a cooling box (204), a third circulating pipe (205) and a semiconductor refrigerating sheet (206), the liquid cooling box (2) is fixedly connected with the inner wall of the shell (1), the mineral insulating oil (201) is arranged inside the liquid cooling box (2), the first circulating pipe (202) is fixedly connected to the bottom of the liquid cooling tank (2), the input end of the oil pump (203) is fixedly connected with one end of the first circulating pipe (202), the second circulating pipe (2021) is fixedly connected with the output end of the oil pump (203), the cooling tank (204) is fixedly connected with one side of the liquid cooling tank (2), the third circulating pipe (205) is fixedly connected to the top of the cooling box (204), and the semiconductor refrigerating sheet (206) is fixedly connected to one side of the cooling box (204).

2. A load device for use in adapter testing according to claim 1, wherein: the display (101) and the function key (102) are electrically connected with the testing device (21), the positive wiring pile (3) and the negative wiring pile (4) are electrically connected with the testing device (21), and the testing device (21) is arranged inside the mineral insulating oil (201).

3. The load device for adapter testing according to claim 1, wherein: the testing device is characterized in that a plug board mounting groove (603) is formed in the top of one side of the shell (1), and the power supply plug board (5) and the testing plug board (6) are arranged in the plug board mounting groove (603).

4. A load device for use in adapter testing according to claim 1, wherein: the power supply socket is characterized in that socket positive contacts (601) are fixedly connected to the bottoms of the power supply socket (5) and the test socket (6), socket negative elastic pieces (602) are fixedly connected to the side walls of the bottoms of the power supply socket (5) and the test socket (6), and the socket positive contacts (601) and the socket negative elastic pieces (602) are electrically connected with the test device (21).

5. A load device for use in adapter testing according to claim 1, wherein: the power supply plugboard is characterized in that an adapter (7) is arranged at the top of the power supply plugboard (5), an output line (701) is arranged at one end of the adapter (7), and one end of the output line (701) is arranged at the top of the test plugboard (6).

6. A load device for use in adapter testing according to claim 1, wherein: the utility model discloses a semiconductor refrigeration device, including casing (1), the inside fixedly connected with mount (207) of casing (1), mount (207) one side fixed mounting has heat dissipation motor (208), heat dissipation motor (208) output end fixedly connected with flabellum (209), flabellum (209) set up in semiconductor refrigeration piece (206) one side.