CN213240350U

CN213240350U - Charger aging testing device

Info

Publication number: CN213240350U
Application number: CN202022043699.3U
Authority: CN
Inventors: 左昌洋
Original assignee: Wuxi Weilang Electronic Technology Co ltd
Current assignee: Wuxi Weilang Electronic Technology Co ltd
Priority date: 2020-09-17
Filing date: 2020-09-17
Publication date: 2021-05-18
Anticipated expiration: 2030-09-17

Abstract

The utility model relates to the technical field of machinery, and a charger aging testing device is disclosed, the device comprises a device casing, the inner chamber left side fixedly connected with test body of device casing, the left end fixedly connected with interface of test body, the interface activity is pegged graft in the left side lower part of device casing, the inside activity of interface is pegged graft and is had the inserted bar, the outside left side of inserted bar is pegged graft through the bearing and is had the fixed thread ring, the right side of fixed thread ring is passed through the screw thread and is pegged graft in the left side of device casing, the lower extreme fixedly connected with connecting plate of test body, the lower extreme fixed connection of connecting plate is in the upper end of transmission piece, the middle part of transmission piece is pegged graft through the screw thread and is. This charger aging testing device, through the overall structure of equipment, drive motor rotates and drives the test body and move right for peg graft pole and interface break away from, and make the circuit open circuit, thereby guarantee the security that the charger used.

Description

Charger aging testing device

Technical Field

The utility model relates to the technical field of machinery, specifically be a charger aging testing device.

Background

The electric vehicle charger is a charging device specially configured for the storage battery of the electric bicycle! Classification of chargers: the transformer can be divided into two categories by using a transformer with or without power frequency (50 Hz). The freight three-wheel charger generally uses a charger with a power frequency transformer, has large volume, heavy weight and power consumption, but is reliable and cheap; electric bicycles and electric motorcycles use a so-called switching power supply type charger, which is power-saving and highly efficient, but is easily broken. The correct operation of the switched-mode charger is: when charging, firstly inserting the battery, and then adding the commercial power; when sufficient, the mains supply is cut off first, and then the battery plug is pulled out. If a battery plug is firstly pulled out during charging, particularly when the charging current is large (red light), the charger is very easy to damage, the commonly used switching power supply type charger is divided into a half-bridge type charger and a single-excitation type charger, and the single-excitation type charger is divided into a forward type charger and a flyback type charger. The half-bridge type charger is high in cost and good in performance, and is commonly used for a charger with negative pulse; the single excitation type aging test device is low in cost and high in market share, but aging problem detection is very complicated when the charger is used, and a common charger is very dangerous when aging charging is carried out, so that the aging test device for the charger is provided.

SUMMERY OF THE UTILITY MODEL

The utility model provides a charger aging testing device, the security that can guarantee the charger and use has solved current aging testing device when the operation, and the charger is when using, and ageing problem detects very loaded down with trivial details to very dangerous problem when ordinary charger ages to charge.

The utility model provides a following technical scheme: a charger aging testing device comprises a device shell, wherein a testing body is fixedly connected to the left side of an inner cavity of the device shell, an insertion port is fixedly connected to the left side of the testing body, the insertion port is movably inserted in the lower portion of the left side of the device shell, an insertion rod is movably inserted in the insertion port, a fixed threaded ring is inserted in the left side of the outer side of the insertion rod through a bearing, the right side of the fixed threaded ring is inserted in the left side of the device shell through threads, a connecting plate is fixedly connected to the lower end of the testing body, the lower end of the connecting plate is fixedly connected to the upper end of a transmission block, a transmission screw is inserted in the middle of the transmission block through threads, a transmission motor is fixedly connected to the right end of the transmission screw, the right end of the transmission motor is fixedly connected to the right end of the transmission shell, and the left side, the testing device comprises a testing body and is characterized in that the upper parts of the front end and the rear end of the testing body are fixedly connected with limiting sliding blocks, and the limiting sliding blocks are movably inserted into limiting sliding grooves in the upper parts of the front side and the rear side of a shell of the testing device.

Preferably, the inner side wall of the limiting sliding groove and the outer side wall of the limiting sliding block are smooth.

Preferably, the outer side wall of the transmission block and the inner side wall of the transmission shell are smooth.

Preferably, the insertion rod is a conductor insertion rod, and a lead is fixedly connected to the left end of the insertion rod.

Preferably, the lower end of the transmission shell is fixedly connected to the lower end of the inner cavity of the device shell.

Preferably, the lower part of the right end of the test body is connected with a wiring terminal through a wire.

Compared with the prior art, the utility model discloses possess following beneficial effect:

this charger aging testing device, overall structure through equipment, transmission motor's positive and negative rotation can make the transmission piece control the displacement, and then make displacement about connecting plate and the test body to displacement about can making spacing spout, and then when the charger takes place the short circuit, transmission motor rotates and drives the test body and move right, makes peg graft pole and interface break away from, and makes the circuit break off, thereby guarantees the security that the charger used.

Drawings

Fig. 1 is a sectional view of the present invention;

FIG. 2 is an enlarged view of the M part of the present invention;

fig. 3 is a top view of the test body of the present invention.

In the figure: 1. a device housing; 2. testing the body; 3. a limiting slide block; 4. an interface; 5. a plug rod; 6. fixing the threaded ring; 7. a transmission housing; 8. a transmission block; 9. a drive screw; 10. a drive motor; 11. a connecting plate; 12. a limiting chute; 13. and a terminal.

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.

Referring to fig. 1-3, the utility model discloses a charger aging testing device, including device casing 1, the inner chamber left side fixedly connected with test body 2 of device casing 1, the right-hand member lower part of test body 2 passes through wire connection binding post 13. The wiring terminal 13 is used for connecting an external connecting wire, the left end of the test body 2 is fixedly connected with a plug-in port 4, the plug-in port 4 is used for plugging a plug-in rod 5, the plug-in port 4 is movably plugged in the lower portion of the left side of the device shell 1, the plug-in rod 5 is movably plugged in the plug-in port 4, the plug-in rod 5 is a conductor plug-in rod, and the left end of the plug-in rod 5 is fixedly connected with a wire. The utility model discloses a device, including bayonet joint 5, fixed threaded ring 6, bayonet joint 4, fixed threaded ring 6, lower extreme fixedly connected with connecting plate 11 of test body 2, connecting plate 11 are for connecting test body 2, the lower extreme fixed connection of connecting plate 11 is in the upper end of transmission piece 8, the lateral wall of transmission piece 8 and the inside wall of transmission casing 7 are all smooth, and fixed threaded ring 6 can fix the position of bayonet joint 5 grafting in bayonet joint 4 inside, has avoided coming off of bayonet joint 5 to can also increase the stability of 5 grafting of bayonet joint, the left side at device casing 1 is pegged graft through the screw thread on fixed threaded ring 6's right side, the lower extreme fixedly connected with connecting plate 11 of test body 2. The middle part of the transmission block 8 is inserted with a transmission screw 9 through threads, the right end of the transmission screw 9 is fixedly connected with a transmission motor 10, the transmission motor 10 adopts a servo motor, the transmission motor 10 is externally connected with a power supply through a switch, the transmission block 8 can be moved left and right through the forward and reverse rotation of the transmission motor 10, thereby enabling the connecting plate 11 and the test body 1 to move left and right, enabling the limit chute 12 to move left and right, when the charger is short-circuited, the transmission motor 10 rotates to drive the test body 2 to move rightwards, so that the plug-in rod 5 is separated from the plug-in port 4, so as to break the circuit, the left end of the transmission motor 10 is fixedly connected with the right end of the transmission shell 7, the left side and the right side of the transmission screw rod 9 are inserted in the left side and the right side of the transmission shell 7 through bearings, and the lower end of the transmission shell 7 is fixedly connected to the lower end of the inner cavity of the device shell 1. The test device is characterized in that the upper parts of the front end and the rear end of the test body 2 are fixedly connected with limiting sliding blocks 3, the limiting sliding blocks 3 can enable the test body 2 to move more stably, the limiting sliding blocks 3 are movably inserted into limiting sliding grooves 12 in the upper parts of the front side and the rear side of the device shell 1, and the inner side walls of the limiting sliding grooves 12 and the outer side walls of the limiting sliding blocks 3 are smooth.

During operation, the positive and negative rotation of drive motor 10 can make the transmission piece 8 control the displacement, and then make the displacement about connecting plate 11 and test body 1 to can make displacement about spacing spout 12, and then when the short circuit takes place for the charger, drive motor 10 rotates and drives test body 2 and move right, makes bayonet pole 5 and interface 4 break away from, and makes the circuit open circuit.

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

1. The utility model provides a charger aging testing device, includes device casing (1), its characterized in that: the device comprises a device shell (1), a testing body (2) is fixedly connected to the left side of an inner cavity of the device shell (1), an inserting port (4) is fixedly connected to the left end of the testing body (2), the inserting port (4) is movably inserted into the lower portion of the left side of the device shell (1), an inserting rod (5) is movably inserted into the inserting port (4), a fixed threaded ring (6) is inserted into the left side of the inserting rod (5) through a bearing, the right side of the fixed threaded ring (6) is inserted into the left side of the device shell (1) through threads, a connecting plate (11) is fixedly connected to the lower end of the testing body (2), the lower end of the connecting plate (11) is fixedly connected to the upper end of a transmission block (8), a transmission screw (9) is inserted into the middle of the transmission block (8) through threads, and a transmission motor (10) is fixedly connected, the testing device is characterized in that the right end of a transmission shell (7) is fixedly connected to the left end of a transmission motor (10), the left side and the right side of a transmission screw (9) are connected to the left side and the right side of the transmission shell (7) in an inserting mode through bearings, a limiting sliding block (3) is fixedly connected to the upper portion of the front end and the rear end of the testing body (2), and the limiting sliding block (3) is movably connected to the inner portion of a limiting sliding groove (12) in the upper portion of the front side and the rear side of.

2. The device for testing aging of a charger according to claim 1, wherein: the inner side wall of the limiting sliding groove (12) and the outer side wall of the limiting sliding block (3) are smooth.

3. The device for testing aging of a charger according to claim 1, wherein: the outer side wall of the transmission block (8) and the inner side wall of the transmission shell (7) are smooth.

4. The device for testing aging of a charger according to claim 1, wherein: the plug rod (5) is a conductor plug rod, and a lead is fixedly connected to the left end of the plug rod (5).

5. The device for testing aging of a charger according to claim 1, wherein: the lower end of the transmission shell (7) is fixedly connected with the lower end of the inner cavity of the device shell (1).

6. The device for testing aging of a charger according to claim 1, wherein: the lower part of the right end of the test body (2) is connected with a wiring terminal (13) through a wire.