CN210431246U

CN210431246U - Integrated voltage stabilizing structure of power adapter

Info

Publication number: CN210431246U
Application number: CN201921630082.2U
Authority: CN
Inventors: 吴毓雄
Original assignee: Xingmao Huiyang Electrical Appliance Co ltd
Current assignee: Xingmao Huiyang Electrical Appliance Co ltd
Priority date: 2019-09-27
Filing date: 2019-09-27
Publication date: 2020-04-28
Anticipated expiration: 2029-09-27

Abstract

The utility model discloses an integrated voltage stabilization type structure of a power adapter, which comprises a power adapter shell, a connecting wire and a charging wire, wherein the power adapter shell comprises an upper cover and a lower shell body alternating current which is transmitted to a diode through the connecting wire and a connecting terminal, the alternating current is changed into direct current by utilizing the one-way conductivity of the diode, the direct current with changed size is changed into constant direct current by a filter capacitor, the constant direct current is changed into stable direct current voltage by an operational amplifier IC and a voltage stabilizing tube, and finally the stable direct current voltage output fuse tube is directly welded on a printed circuit board or other circuit devices through a lead wire by a secondary filter capacitor, thereby reducing the space position of the circuit, the fuse can bear the impact of large current for a short time, and can be reliably fused after the current overload exceeds a certain time limit, so that the safety of the circuit is protected.

Description

Integrated voltage stabilizing structure of power adapter

Technical Field

The utility model relates to a power adapter technical field specifically is an integrated voltage stabilization formula structure of power adapter.

Background

The power adapter is a power supply conversion device of small portable electronic equipment and electronic appliances, generally comprises components such as a shell, a transformer, an inductor, a capacitor, a control IC (integrated circuit), a PCB (printed circuit board) and the like, and the working principle of the power adapter is that alternating current input is converted into direct current output; according to the connection mode, the device can be divided into a wall-inserting type and a desktop type. The intelligent anti-theft device is widely matched with security cameras, set top boxes, routers, light bars, massage instruments and other equipment.

The voltage of the traditional power adapter is higher under the condition of no load, and if you are connected with the load, the voltage of the traditional power adapter is found to be reduced, which is limited by the action of the traditional power adapter, and only the traditional power adapter is used for providing a proper voltage for the load, but the voltage cannot be stabilized at a certain amplitude, so that the voltage is sometimes unstable.

In order to solve the above problems, an integrated voltage stabilization structure of a power adapter is provided to improve the voltage stabilization performance of the power adapter.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an integrated voltage stabilization formula structure of power adapter improves power adapter's steady voltage nature to the problem among the prior art has been solved.

In order to achieve the purpose, the power adapter integrated voltage stabilization structure comprises a power adapter shell, a power connection wire and a charging wire, wherein the power connection wire is arranged on one side of the power adapter shell, the charging wire is arranged on the other side of the power adapter shell, and the power adapter shell comprises an upper cover and a lower shell body; the upper cover comprises bolts, heat dissipation holes, an upper groove and clamping columns, the bolts are uniformly arranged at four ends of the upper cover, and the clamping columns are arranged in an inner cavity of the upper cover; the lower shell is composed of fixing holes, conducting wires, a wiring terminal, a clamping groove, a diode, a fuse tube, an inductance coil, a primary filter capacitor, an operational amplifier IC, a voltage regulator tube, a secondary filter capacitor, a lower groove and an electric plate, wherein the fixing holes are formed in four ends of the lower shell, the electric plate is fixedly installed in an inner cavity of the lower shell, the wiring terminal is arranged on the electric plate, the conducting wires are connected with the wiring terminal, the clamping groove is fixedly installed at the bottom of the inner cavity of the lower shell, the diode is fixedly installed on one side of the wiring terminal, the fuse tube is arranged on one side of the diode, the inductance coil is fixedly installed on one side of the fuse tube, the primary filter capacitor is fixedly installed on one side of the inductance coil, the operational amplifier IC is arranged on one side of the primary filter capacitor, the voltage regulator tube is fixedly installed on the right.

Preferably, the fuse tube includes a glass tube, a fuse wire disposed in a vacuum chamber of the glass tube, and lead wires connected to the fuse wire and extending from both ends of the glass tube to an outer end.

Preferably, the voltage regulator tube is arranged between the primary filter capacitor and the secondary filter capacitor.

Preferably, the power adapter housing is made of a composite material of ABS and PC.

Preferably, the upper cover is connected with the lower shell body in a matched manner through a bolt, a fixing hole, a clamping column and a clamping groove.

Preferably, the upper groove and the lower groove are respectively arranged on the side end faces of the upper cover and the lower shell, and the upper groove and the lower groove are flush with the port and are matched with each other.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses an integrated voltage stabilization formula structure of power adapter, the alternating current is carried for the diode through connecting wire, binding post, recycles the one-way electric conductivity of diode and becomes the direct current with the alternating current, and filter capacitance is once changed the direct current that the size becomes invariable direct current for the rethread, and rethread operational amplifier IC and stabilivolt become invariable direct current with invariable direct current and become stable direct voltage, and rethread secondary filter capacitance is at last with stable direct voltage output.

2. The utility model discloses an integrated voltage-stabilizing structure of power adapter, fuse tube can be through lead wire lug weld on printed circuit board or other circuit device, and it can reduce the spatial position of circuit, and can bear the impact of heavy current for a short time, just can reliably fuse after current overload surpasss certain time limit moreover, protection circuit's safety.

3. The utility model discloses an integrated voltage-stabilizing formula structure of power adapter, the setting of card post and draw-in groove can be tentatively fixed upper cover and lower casing body, and bolt and fixed orifices are to the further fixed connection of upper cover and lower casing body, can prevent that the power adapter shell is loose at the use upper cover with lower casing body, cause the electric leakage, harm user's safety.

Drawings

Fig. 1 is an overall schematic diagram of the integrated voltage stabilizing structure of the power adapter of the present invention;

FIG. 2 is a structural diagram of the upper cover of the present invention;

FIG. 3 is a view showing the internal structure of the lower case of the present invention;

fig. 4 is a structural view of the fuse tube of the present invention.

Description of the reference numerals

1. A power adapter housing; 2. connecting a wire; 3. a charging wire; 11. an upper cover; 12. a lower housing; 111. a bolt; 112. heat dissipation holes; 113. an upper groove; 114. clamping the column; 121. a fixing hole; 122. a wire; 123. a wiring terminal; 124. a card slot; 125. a diode; 126. a fuse tube; 1261. a glass tube; 1262. a fuse; 1263. a lead wire; 127. an inductor coil; 128. a primary filter capacitor; 129. an operational amplifier IC; 130. a voltage stabilizing tube; 131. a secondary filter capacitor; 132. a lower groove; 133. an electric board.

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. 1-4, the power adapter integrated voltage stabilizing structure of the present invention includes a power adapter housing 1, a power connection wire 2 and a charging wire 3, wherein the power adapter housing 1 has a component made of a synthetic material of ABS and PC, the power connection wire 2 is disposed on one side of the power adapter housing 1, the charging wire 3 is disposed on the other side of the power adapter housing 1, the power adapter housing 1 includes an upper cover 11 and a lower housing 12, the upper cover 11 includes a bolt 111, a heat dissipation hole 112, an upper groove 113 and a plurality of clamping posts 114, the bolt 111 is disposed at four ends of the upper cover 11, the clamping posts 114 are disposed at the lower housing 12 of the inner cavity of the upper cover 11 and are composed of a fixing hole 121, a conducting wire 122, a connection terminal 123, a clamping groove 124, a diode 125, a fuse tube 126, an inductance coil 127, a primary filter capacitor 128, an operational amplifier IC129, a voltage stabilizing tube 130, a secondary filter capacitor 131, a lower, the upper cover 11 is matched with the lower shell 12 through the bolts 111 and the fixing holes 121, the clamping columns 114 and the clamping grooves 124, the upper concave groove 113 and the lower concave groove 132 are respectively arranged on the side end faces of the upper cover 11 and the lower shell 12, and the upper concave groove 113 and the lower concave groove 132 are flush with the ports and are matched with each other; the arrangement of the clamp posts 114 and the clamp grooves 124 can primarily fix the upper cover 11 and the lower shell 12, the bolts 111 and the fixing holes 121 further fix the upper cover 11 and the lower shell 12, which can prevent the upper cover 11 and the lower shell 12 from loosening and causing electric leakage during the use of the power adapter housing 1, and the safety fixing holes 121 harmful to users are arranged at four ends of the lower shell 12, the electric board 133 is fixedly arranged in the inner cavity of the lower shell 12, the wiring terminal 123 is arranged on the electric board 133, the lead 122 is connected with the wiring terminal 123, the clamp grooves 124 are fixedly arranged at the bottom of the inner cavity of the lower shell 12, the diode 125 is fixedly arranged at one side of the wiring terminal 123, the fuse tube 126 is arranged at one side of the diode 125, the fuse tube 126 comprises a glass tube 1261, a fuse 1262 and a lead 1263, the fuse 1262 is arranged in the vacuum cavity of the glass tube 1261, the lead 1263 is connected to the fuse 1262 and extends from two ends of the, the fuse tube 126 can be directly welded on a printed circuit board or other circuit devices through a lead 1263, the space position of the circuit can be reduced, the fuse tube can bear the impact of large current for a short time, and can be reliably fused after the current overload exceeds a certain time limit, the safety of the circuit is protected, an inductance coil 127 is fixedly arranged on one side of the fuse tube 126, a primary filter capacitor 128 is fixedly arranged on one side of the inductance coil 127, an operational amplifier IC129 is arranged on one side of the primary filter capacitor 128, a voltage stabilizing tube 130 is fixedly arranged on the right side of the operational amplifier IC129, a secondary filter capacitor 131 is arranged on one side of the voltage stabilizing tube 130, a voltage stabilizing tube 130 is arranged between the primary filter capacitor 128 and the secondary filter capacitor 131, alternating current is transmitted to a diode 125 through a connecting wire 2 and a connecting terminal 123, the unidirectional conductivity of the diode 125 is utilized to convert the alternating current into direct current, and then the direct current with the, the constant dc power is converted into a stable dc voltage through the operational amplifier IC129 and the voltage regulator tube 130, and the stable dc voltage is output through the secondary filter capacitor 131.

The utility model discloses an integrated voltage stabilization formula structure of power adapter includes power adapter shell 1, connects electric wire 2 and charging wire 3, power adapter shell 1 includes that upper cover 11 and lower casing 12 alternating current pass through connecting electric wire 2, binding post 123 and deliver for diode 125, the one-way conductivity of recycling diode 125 becomes the alternating current direct current, the direct current that changes size is changed into invariable direct current through primary filter capacitor 128, invariable direct current becomes stable direct current voltage through operational amplifier IC129 and stabilivolt 130, at last stable direct current voltage output fuse tube 126 can be directly welded on printed circuit board or other circuit device through lead 1263 through secondary filter capacitor 131, it can reduce the spatial position of circuit, and can bear the impact of heavy current for a short time, and can only reliably fuse after current overload exceeds certain time limit, the safety of protection circuit, the setting of card post 114 and draw-in groove 124 can be to upper cover 11 and lower casing 12 preliminary fixed, and bolt 111 and fixed orifices 121 are to upper cover 11 and the further fixed connection of casing 12 down, can prevent that power adapter shell 1 upper cover 11 and lower casing 12 are loose in the use, cause the electric leakage, harm user's safety.

In summary, in one or more embodiments of the present invention, the power adapter of the present invention integrates a voltage-stabilizing structure, wherein ac is supplied to the diode through the connecting wire and the connecting terminal, the unidirectional conductivity of the diode is reused to convert ac into dc, the dc with variable size is converted into constant dc through a filter capacitor, the constant dc is converted into stable dc through the operational amplifier IC and the voltage-stabilizing tube, and the stable dc is output through a secondary filter capacitor, the fuse tube can be directly welded on the printed circuit board or other circuit devices through the lead wire, which can reduce the spatial position of the circuit, and can withstand the impact of large current in short time, and can be reliably fused after the current overload exceeds a certain time limit, thereby protecting the safety of the circuit, the arrangement of the clamp post and the clamp groove can preliminarily fix the upper cover and the lower housing, the bolt and the fixing hole are further fixedly connected with the upper cover and the lower shell body, so that the upper cover and the lower shell body can be prevented from being loosened in the using process of the shell of the power adapter, electric leakage is prevented, and the safety of a user is prevented from being harmed.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 an integrated voltage stabilization formula structure of power adapter, includes power adapter shell (1), connects electric wire (2) and charging wire (3), connects electric wire (2) to set up in one side of power adapter shell (1), and charging wire (3) set up the opposite side at power adapter shell (1), its characterized in that: the power adapter shell (1) comprises an upper cover (11) and a lower shell (12); the upper cover (11) comprises a bolt (111), a heat dissipation hole (112), an upper groove (113) and clamping columns (114), the bolt (111) is provided with a plurality of uniform four ends arranged on the upper cover (11), and the clamping columns (114) are arranged in an inner cavity of the upper cover (11); the lower shell (12) is composed of a fixing hole (121), a conducting wire (122), a wiring terminal (123), a clamping groove (124), a diode (125), a fuse tube (126), an inductance coil (127), a primary filter capacitor (128), an operational amplifier IC (129), a voltage regulator tube (130), a secondary filter capacitor (131), a lower groove (132) and an electric plate (133), the fixing hole (121) is arranged at the four ends of the lower shell (12), the electric plate (133) is fixedly arranged in the inner cavity of the lower shell (12), the wiring terminal (123) is arranged on the electric plate (133), the conducting wire (122) is connected with the wiring terminal (123), the clamping groove (124) is fixedly arranged at the bottom of the inner cavity of the lower shell (12), the diode (125) is fixedly arranged at one side of the wiring terminal (123), the fuse tube (126) is arranged at one side of the diode (125), the inductance coil (127) is fixedly arranged at one side of the fuse tube (126), the primary filter capacitor (128) is fixedly arranged on one side of the inductance coil (127), the operational amplifier IC (129) is arranged on one side of the primary filter capacitor (128), the voltage regulator tube (130) is fixedly arranged on the right side of the operational amplifier IC (129), and the secondary filter capacitor (131) is arranged on one side of the voltage regulator tube (130).

2. The integrated voltage stabilization structure of the power adapter according to claim 1, wherein: the fuse tube (126) comprises a glass tube (1261), a fuse (1262) and a lead wire (1263), the fuse (1262) is arranged in a vacuum cavity of the glass tube (1261), and the lead wire (1263) is connected to the fuse (1262) and extends from two ends of the glass tube (1261) to an outer end.

3. The integrated voltage stabilization structure of the power adapter according to claim 1, wherein: the voltage regulator tube (130) is arranged between the primary filter capacitor (128) and the secondary filter capacitor (131).

4. The integrated voltage stabilization structure of the power adapter according to claim 1, wherein: the power adapter shell (1) is made of a composite material of ABS and PC.

5. The integrated voltage stabilization structure of the power adapter according to claim 1, wherein: the upper cover (11) is connected with the lower shell (12) in a matched mode through a bolt (111), a fixing hole (121), a clamping column (114) and a clamping groove (124).

6. The integrated voltage stabilization structure of the power adapter according to claim 5, wherein: the upper groove (113) and the lower groove (132) are respectively arranged on the side end faces of the upper cover (11) and the lower shell (12), and the upper groove (113) and the lower groove (132) are flush with the port and are matched with each other.