Cash register facilitating heat dissipation of mainboard and cash scale

Abstract

The utility model provides a cash register convenient for heat dissipation of a mainboard. The cash register comprises a main body part, a base, a display device, the mainboard, and a bill printing device and / or a bar code scanning device arranged in the main body part. The main body part comprises an aluminum alloy bracket and a plastic shell; the aluminum alloy support is provided with a main board installation cavity, and the main board is directly installed on the inner wall of the main board installation cavity through screw locking. A bottom plate of the aluminum alloy support is fixedly connected with the base. According to the cash register of the utility model, the integrally formed aluminum alloy support is adopted as an integral structure supporting part of the cash register, the mainboard and the plurality of functional modules are directly installed on the aluminum alloy support with excellent heat dissipation performance, the bottom of the aluminum alloy support is directly connected with the base, and the base is arranged on a cash counter, so that the cash register is convenient to use. The heat generated when the main board and other electronic function modules work can be quickly conducted out from the inside of the cash register through metal parts with good thermal conductivity, and the situation that heat is concentrated in the cash register to cause faults of electronic components is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to cash register device technical field especially, relates to a kind of cash register and cash register scale convenient for mainboard heat dissipation. BACKGROUND

[0002] With the popularity of mobile payment, desktop cash register with barcode scanning module has been widely used in many occasions, such as large supermarkets, restaurants, retail stores, etc. A desktop cash register is usually provided at the cash register. For the desktop cash register, in order to simplify the operation of the cashier, improve the user experience, and develop the trend of self-service cash register, the current cash register has more and more functions, and various components are also increasing, such as a bill printer, a display device that can provide information to the cashier and the customer, an intelligent camera that can identify objects and recognize faces, etc.

[0003] As the number of accessories of the cash register increases, the number of electronic components on the mainboard also increases, especially the data processing capacity of the chip on the mainboard for controlling the operation of each module for information processing is increasing, which causes the mainboard to generate a large amount of heat during operation. If the heat cannot be dissipated in time, the internal heat accumulation will seriously affect the service life of the mainboard and other components inside the cash register. The traditional cash register usually designs the heat dissipation of the internal mainboard independently from the bracket, such as by adding a fan or a water cooling system, etc. However, this method requires a larger volume and higher maintenance cost, and since the existing technology is generally made of plastic material, the heat dissipation of the plastic material is poor, which causes the cash register to malfunction due to high internal heat during use. SUMMARY

[0004] The utility model aims at solving the problems in the prior art and provides a cash register and cash register scale convenient for mainboard heat dissipation.

[0005] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A cash register convenient for mainboard heat dissipation includes a main body, a base provided below the main body, a display device provided on the upper part of the main body, a mainboard, a bill printing device and / or a barcode scanning device provided inside the main body. The main body includes an aluminum alloy bracket and a plastic shell provided on the aluminum alloy bracket. The aluminum alloy bracket is provided with a mainboard mounting cavity, and a threaded mounting column is provided on the mainboard mounting cavity. A screw hole is provided at the corresponding position on the board body of the mainboard, and the mainboard is locked and mounted on the inner wall of the mainboard mounting cavity by screws. The bottom plate of the aluminum alloy bracket is connected and fixed with the base.

[0007] Preferably, the aluminum alloy bracket is integrally formed.

[0008] Preferably, the inner wall of the mainboard mounting cavity is provided with an inner recess, and the mainboard is provided with a heat-conducting block at the main chip, and the heat-conducting block is positioned and abuts against the inner recess during the mounting of the mainboard.

[0009] Preferably, the heat-conducting block is provided with a back adhesive, and the module composed of the mainboard and the heat-conducting block is directly attached to the aluminum alloy support.

[0010] Preferably, a baffle mounting slot is arranged at a position adjacent to the lower edge of the mainboard on the mainboard mounting cavity, and the baffle is arranged in the mounting slot, and the baffle is provided with a plurality of electronic components and a plurality of cable through holes.

[0011] Preferably, the base comprises a metal bottom plate, and the bottom plate of the aluminum alloy support is fixedly connected with the metal bottom plate of the base.

[0012] Preferably, the cash register further comprises a detachable keyboard arranged below the display device, the keyboard is arranged on a keyboard support, and the keyboard support is fixedly connected with the aluminum alloy support; and the intelligent camera module is fixed on the keyboard support and located below the keyboard.

[0013] Preferably, the display device on the cash register is provided with two display devices, and the two display devices are respectively directed towards the cashier and the customer.

[0014] According to another purpose of the utility model, the utility model further provides a cash register, the cash register comprises the above-mentioned cash register and electronic scale used in cooperation with the cash register.

[0015] Preferably, the upper portion of the electronic scale is provided with a plastic scale disc, and the side edge of the plastic scale disc is provided with a stop edge structure integrally formed with the plastic scale disc.

[0016] The cash register adopts the integrally formed aluminum alloy support as the overall structural support component of the cash register, the mainboard and the plurality of functional modules are directly mounted on the aluminum alloy support with excellent heat dissipation, the bottom of the aluminum alloy support is directly connected with the base, and the base is arranged on the cash register counter, so that the heat generated by the mainboard and other electronic functional modules during operation can be rapidly conducted out of the cash register from the metal component with good heat conduction, and heat concentration in the cash register is avoided to cause failure of the electronic components. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is an assembly structure diagram of the aluminum alloy support and the mainboard of the cash register facilitating heat dissipation of the mainboard according to an embodiment of the utility model;

[0018] Figure 2 It is an assembly structure diagram of the aluminum alloy support and the mainboard of the cash register facilitating heat dissipation of the mainboard according to an embodiment of the utility model; Figure 1Structure schematic view of aluminum alloy support of the embodiment shown;

[0019] Figure 3 For Figure 1 Structure schematic view of mainboard of the embodiment shown;

[0020] Figure 4 Structure schematic view of cash register convenient for heat dissipation of mainboard of an embodiment of the utility model;

[0021] Figure 5 Structure schematic view of cash register convenient for heat dissipation of mainboard of an embodiment of the utility model;

[0022] Fig. 1 is an aluminum alloy support; 101 is a mainboard mounting cavity; 102 is a mounting slot; 103 is an inner recess; 104 is a threaded mounting column; 105 is a bottom plate; 2 is a mounting baffle; 3 is a mainboard; 301 is a plate body; 302 is a heat conduction block; 303 is a screw hole; 4 is a main body; 5 is a base; 6 is a first display device; 7 is a second display device; 8 is a bill printing device; 9 is a bar code scanning device; 10 is a keyboard; 11 is a keyboard support; 12 is an intelligent camera module; 13 is an electronic scale; 1301 is a plastic scale disc; 1302 is a baffle structure. DETAILED DESCRIPTION

[0023] In order to further understand the purpose, structure, characteristics and functions of the utility model, the following detailed description is made in conjunction with the embodiments.

[0024] Refer to Figure 4 Structure schematic view of cash register convenient for heat dissipation of mainboard of an embodiment of the utility model shown, the cash register includes a main body 4, a base 5 arranged below the main body 4, a display device arranged on the upper part of the main body 4, a mainboard 3, a bill printing device 8 and / or a bar code scanning device 9 arranged inside the main body; the main body 4 includes an aluminum alloy support 1 and a plastic shell arranged on the aluminum alloy support 1.

[0025] As Figures 1-3 Structure schematic view of aluminum alloy support 1 shown, the aluminum alloy support 1 is of one-piece construction, the aluminum alloy support 1 is located inside the main body 4 of the cash register, the rear side of the aluminum alloy support 1 is provided with a mainboard mounting cavity 101, the mainboard mounting cavity 101 includes a threaded mounting column 104, the plate body 301 of the mainboard 3 is provided with a screw hole 303 at the corresponding position, and the mainboard 3 is locked and mounted on the inner wall of the mainboard mounting cavity 101 through the screw; the bottom plate 105 of the aluminum alloy support 1 is connected and fixed with the base 5.

[0026] In a preferred embodiment, the inner wall of the mainboard mounting cavity 101 is provided with an inner recess 103, and the main chip of the mainboard 3 is provided with a heat-conducting block 302, which is positioned and abuts against the inner recess 103 when the mainboard 3 is mounted; in a more preferred embodiment, the heat-conducting block 302 is provided with a back adhesive, so that the module composed of the mainboard 3 and the heat-conducting block 302 can be directly attached to the aluminum alloy support 1, and then the mainboard 3 is further fixed by screw locking; the heat-conducting block 302 is a heat-conducting rubber block or heat-conducting foam, which abuts against the main chip.

[0027] Referring to Figure 2 , a mounting slot 102 with a baffle is arranged on the mainboard mounting cavity 101 adjacent to the lower edge of the mainboard 3, and the baffle 2 made of metal is arranged in the mounting slot 102, and the baffle 2 is provided with a plurality of electronic components such as interface components for data, signal and power connection and a plurality of cable through holes, so as to facilitate the connection of the cable and the mainboard 3.

[0028] In another preferred embodiment, the base 5 comprises a metal bottom plate, and the bottom plate 105 of the aluminum alloy support 1 is fixedly connected with the metal bottom plate of the base 5.

[0029] In another preferred embodiment, the cash register further comprises a detachable keyboard 10 arranged below the display device, the keyboard 10 is arranged on a keyboard support 11, and the keyboard support 11 is fixedly connected with the aluminum alloy support 1; and a smart camera module 12 is fixed on the keyboard support 11 and located below the keyboard 10.

[0030] In another preferred embodiment, as shown in Figure 4 , the display device of the cash register comprises two display devices, including a first display device 6 and a second display device 7, and the two display devices are respectively directed towards the cashier and the customer, so that both the buyer and the seller can clearly know the information of the purchased goods.

[0031] According to another purpose of the utility model, the utility model further provides a cash register scale, which comprises the cash register and an electronic scale 13 used in cooperation with the cash register; in a preferred embodiment, the upper portion of the electronic scale 13 is provided with a plastic scale disc 1301, and the side edge of the plastic scale disc 1301 is provided with a baffle structure 1302 integrally formed with the plastic scale disc 1301, so that the rolling of melons and fruits on the plastic scale disc 1301 can be avoided to affect the weighing and settlement.

[0032] The cash register of the utility model adopts the aluminum alloy support of integral molding as the integral structure support part of the cash register, installs the mainboard and multiple function modules directly on the aluminum alloy support with excellent heat dissipation, the bottom of the aluminum alloy support is directly connected with the base, the base is placed on the cash register counter, in this way, the heat generated by the mainboard and other electronic function modules during work can be quickly conducted out from the inside of the cash register through the metal part with good heat conductivity, and the heat concentration in the cash register will not cause the electronic components to malfunction. At the main chip with the most serious heat generation, the heat-conducting block with strong heat conductivity directly attached to the aluminum alloy support can quickly conduct the heat to the aluminum alloy support, since the aluminum alloy support has large volume and large heat dissipation area, the purpose of quick heat dissipation can be achieved.

[0033] The utility model has been described by the above related embodiments, however, the above embodiments are only examples for implementing the utility model. It must be pointed out that the disclosed embodiments do not limit the scope of the utility model. On the contrary, changes and decorations made without departing from the spirit and scope of the utility model are all within the scope of the patent protection of the utility model.

Claims

1. A cash register that facilitates motherboard heat dissipation, characterized in that: The cash register includes a main body, a base located below the main body, a display device located above the main body, a motherboard, a receipt printing device and / or a barcode scanning device located inside the main body; the main body includes an aluminum alloy bracket and a plastic shell mounted on the aluminum alloy bracket; the aluminum alloy bracket has a motherboard mounting cavity, the motherboard mounting cavity has threaded mounting posts, and the motherboard has screw holes at corresponding positions on its body; the motherboard is secured to the inner wall of the motherboard mounting cavity by screws; the base plate of the aluminum alloy bracket is connected and fixed to the base.

2. The cash register facilitating heat dissipation of a main board according to claim 1, characterized in that: The aluminum alloy bracket is a one-piece molded structure.

3. The cash register facilitating heat dissipation of a main board according to claim 1 or 2, characterized in that: The inner wall of the motherboard mounting cavity is provided with a recessed portion, and a heat-conducting block is provided at the main chip of the motherboard. During motherboard installation, the heat-conducting block is aligned and abuts against the recessed portion.

4. The cash register with facilitated heat dissipation of the main board according to claim 3, characterized in that: The heat-conducting block has an adhesive backing, allowing the module consisting of the motherboard and the heat-conducting block to be directly attached to the aluminum alloy bracket; the heat-conducting block is a heat-conducting rubber block or heat-conducting foam.

5. The cash register with facilitated heat dissipation of the main board according to claim 3, characterized in that: A baffle mounting slot is provided on the motherboard mounting cavity adjacent to the lower edge of the motherboard. The baffle is set in the mounting slot and has multiple electronic components and multiple cable through holes.

6. The cash register with facilitated heat dissipation of the main board according to claim 3, characterized in that: The base includes a metal base plate, and the base plate of the aluminum alloy bracket is fixedly connected to the metal base plate of the base.

7. The cash register facilitating heat dissipation of the main board according to claim 6, characterized in that: The cash register also includes a detachable keyboard located below the display device. The keyboard is placed on a keyboard bracket, which is connected and fixed to the aluminum alloy bracket. The smart camera module is fixed on the keyboard bracket and located below the keyboard.

8. The cash register facilitating heat dissipation of the main board according to claim 1, characterized in that: The cash register has two display devices, one facing the cashier and the other facing the customer.

9. A cash register scale characterized by: The aforementioned cash register scale includes a cash register as described in any one of claims 1-8 and an electronic scale used in conjunction with the cash register.

10. A checkweigher according to claim 9, characterised in that, The electronic scale has a plastic weighing pan on its upper part, and a side guard structure integrally formed with the plastic weighing pan is provided on the side of the plastic weighing pan.

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