CN212809372U - Cash box driving device and cash register - Google Patents
Cash box driving device and cash register Download PDFInfo
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- CN212809372U CN212809372U CN202021755759.8U CN202021755759U CN212809372U CN 212809372 U CN212809372 U CN 212809372U CN 202021755759 U CN202021755759 U CN 202021755759U CN 212809372 U CN212809372 U CN 212809372U
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Abstract
The present disclosure relates to a cash register box driving device and a cash register. The drive device includes: the working voltage detection unit is connected with the driving unit; the working voltage detection unit is connected with a working circuit of the cash register cashbox to generate a first electric signal for representing the magnitude of the working voltage required by the working circuit of the cash register cashbox; the driving unit is used for being connected with a voltage input end of a working circuit of the cash register box and can respond to a first electric signal to input working voltage to the voltage input end of the working circuit of the cash register box so as to drive the working circuit of the cash register box to work. So, avoided adopting in the correlation technique and receive the unmatched voltage drive of silver-colored cash box and receive the drawback of silver-colored cash box, prolonged the life who receives silver-colored cash box. Moreover, the working voltage required by the working circuit of the cash register box can be automatically detected, the intelligentization of driving the cash register box is effectively improved, and the user experience is improved.
Description
Technical Field
The present disclosure relates to the field of electronic devices, and in particular, to a cash register box driving device and a cash register.
Background
The cash register cashbox is one of main hardware accessories in the financial cash register system, is combined with a cash register and can be integrated with the cash register or be a separated component. It is used for placing cash. The interior of the coin box is generally divided into a plurality of cells for holding different denominations of paper money and coins.
Different types of cash boxes often have different working voltages, however, in practical application, merchants pay little attention to or cannot judge the working voltage of the cash boxes at all, so that most merchants mix driving terminals (printers, cash registers and the like) with different voltage specifications with the cash boxes, and the functions or service lives of the cash boxes are affected. At present, some cash register terminal manufacturers avoid mixed use risks as much as possible by reminding merchants to actively select through a terminal operation interface, but still rely on manual judgment, and have certain risks and operation complexity, so that the working voltage of the cash register box cannot be accurately identified, and the cash register box cannot be driven to work by using the adaptive voltage.
SUMMERY OF THE UTILITY MODEL
The purpose of this disclosure is to provide a cash register cashbox drive arrangement and cash register to solve the problem that exists among the correlation technique.
In order to achieve the above object, a first aspect of the present disclosure provides a cash register box driving device, including:
the working voltage detection unit is connected with the driving unit;
the working voltage detection unit is connected with a working circuit of the cash register cashbox to generate a first electric signal for representing the magnitude of the working voltage required by the working circuit of the cash register cashbox;
the driving unit is used for being connected with a voltage input end of a working circuit of the cash register cashbox, responding to the first electric signal, and inputting the working voltage to the voltage input end of the working circuit of the cash register cashbox so as to drive the working circuit of the cash register cashbox to work.
Optionally, the operating voltage detecting unit includes: the circuit comprises a resistance detection unit and a first processing unit, wherein the first processing unit stores the corresponding relation between working voltage and resistance;
the resistance detection unit is connected with the working circuit of the cash register cashbox to generate a second electric signal for representing the equivalent resistance of the working circuit of the cash register cashbox;
the first processing unit is connected with the resistance detection unit and can respond to the corresponding relation between the working voltage and the resistance and the second electric signal and generate the first electric signal based on the corresponding relation.
Optionally, the resistance detection unit includes: the cash register comprises a voltage detection circuit and a second processing unit, wherein the voltage detection circuit comprises a detection power supply, a preset resistor and a voltage detection device, and the detection power supply, the preset resistor and a working circuit of the cash register box form a series loop;
the voltage detection device can detect the voltage corresponding to the working circuit of the cash register box in the series loop and generate a third electric signal for representing the voltage;
the second processing unit is connected with the voltage detection device and can respond to the third electric signal to determine the equivalent resistance of the working circuit of the cash register box.
Optionally, the voltage detection circuit further includes: a detection switch;
the detection switch is arranged in the series circuit and can be closed in response to an instruction for indicating the size of an equivalent resistor of a working circuit of the cash register cashbox, so that the detection power supply, the preset resistor and the working circuit of the cash register cashbox form a closed circuit.
Optionally, the apparatus further comprises: a control unit;
the control unit is respectively connected with the working voltage detection unit and the driving unit and can respond to the first electric signal to generate a driving instruction for indicating to output the working voltage;
the driving unit may input the operating voltage to a voltage input terminal of an operating circuit of the cash register box in response to the driving instruction.
Optionally, the driving unit comprises a power supply and a voltage conversion unit;
the voltage conversion unit is respectively connected with the power supply and the voltage input end of the working circuit of the cash register cashbox, can respond to the driving instruction, converts the voltage of the power supply into the working voltage, and inputs the working voltage to the voltage input end of the working circuit of the cash register cashbox.
Optionally, the voltage of the power supply is any one of a plurality of voltage specifications of the cash register box; the drive unit further comprises a first switch;
the first switch is respectively connected with the power supply and a voltage input end of a working circuit of the cash register cashbox, and can be closed when the driving instruction indicates that the working voltage is the voltage of the power supply, so that the voltage of the power supply is input to the voltage input end of the working circuit of the cash register cashbox;
the voltage conversion unit can convert the voltage of the power supply into the working voltage and input the working voltage to a voltage input end of a working circuit of the cash register box when the driving instruction indicates that the working voltage is not the voltage of the power supply.
Optionally, the driving unit includes a plurality of power supplies with different voltage specifications and a plurality of second switches, and each power supply with different voltage specifications is connected to a voltage input end of a working circuit of the cash box through one second switch;
the second switch can be closed when the driving instruction indicates that the working voltage is the voltage specification of a power supply connected with the second switch, so that the working voltage is input to a voltage input end of a working circuit of the cash register box.
Optionally, the required operating voltage for the operating circuitry of the cash register box is one of 9V, 12V and 24V.
A second aspect of the present disclosure provides a cash register, comprising: the cash register cashbox driving device and the cash register cashbox provided by the first aspect of the disclosure, wherein the cash register cashbox driving device is connected with a working circuit of the cash register cashbox.
Through above-mentioned technical scheme, adopt above-mentioned technical scheme, can automated inspection receive the required operating voltage of the working circuit of cash box through operating voltage detecting element, and then the drive unit can be to receiving the voltage input end input this operating voltage of the working circuit of cash box to the operating circuit work of the cash box of drive. So, avoided adopting in the correlation technique and receive the unmatched voltage drive of silver-colored cash box and receive the drawback of silver-colored cash box, prolonged the life who receives silver-colored cash box. And, can detect out the required operating voltage of cash box's work circuit automatically, compare in the scheme of the artifical cash box operating voltage that discerns among the correlation technique, improve the intellectuality that the cash box was received in the drive effectively, promote user experience.
Additional features and advantages of the disclosure will be set forth in the detailed description which follows.
Drawings
The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure without limiting the disclosure. In the drawings:
fig. 1 is a schematic diagram of a cash register, according to an example embodiment.
Figure 2 is a schematic diagram of a cash register box drive apparatus shown according to an exemplary embodiment.
Figure 3 is a schematic diagram illustrating another cash register cashbox drive arrangement according to an exemplary embodiment.
Figure 4 is a schematic diagram illustrating another cash register cashbox drive arrangement according to an exemplary embodiment.
Description of the reference numerals
1 cashier cashbox driving device 2 cashier cashbox
10 operating voltage detection unit 11 drive unit
101 resistance detection unit 102 first processing unit
1011 voltage detection circuit 1012 second processing unit
10111 detection switch 12 control unit
111 power supply 112 voltage conversion unit
113 first switch
Detailed Description
The following detailed description of specific embodiments of the present disclosure is provided in connection with the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present disclosure, are given by way of illustration and explanation only, not limitation.
Fig. 1 is a schematic diagram of a cash register, according to an example embodiment. As shown in fig. 1, the cash register includes a cash register box driving device 1 and a cash register box 2, and the cash register box driving device 1 and the cash register box 2 are connected. For example, the cash register box driving device 1 may be connected to an operating circuit of the cash register box 2 to drive the operating circuit of the cash register box 2 to operate, so as to enable a user to operate, for example, open, the cash register box 2.
The cashbox drive 1 shown in fig. 1 will be explained in detail below.
Figure 2 is a schematic diagram of a cash register box drive apparatus shown according to an exemplary embodiment. As shown in fig. 2, the cashbox driving device 1 may include an operating voltage detection unit 10 and a driving unit 11, and the operating voltage detection unit 10 is connected to the driving unit 11, for example, the operating voltage detection unit 10 and the driving unit 11 may be in communication connection.
The operating voltage detection unit 10 is used for connecting with the operating voltage in the cashbox 2, the operating voltage detection unit 10 can detect the size of the operating voltage required by the operating circuit of the cashbox 2, and the operating voltage detection unit 10 can also generate a first electric signal for representing the size of the operating voltage required by the operating circuit of the cashbox 2.
The drive unit 11 is also used for connection to an operating circuit in the cash register box 2, which may be connected, for example, to a voltage input of the operating circuit of the cash register box 2. Also, the driving unit 11 may receive the first electrical signal transmitted by the operating voltage detecting unit 10, and input an operating voltage to a voltage input terminal of the operating circuit of the cash register box 2 in response to the first electrical signal to drive the operating circuit of the cash register box to operate.
By adopting the technical scheme, the working voltage required by the working circuit of the cash box can be automatically detected through the working voltage detection unit, and then the driving unit can input the working voltage to the voltage input end of the working circuit of the cash box so as to drive the working circuit of the cash box to work. So, avoided adopting in the correlation technique and receive the unmatched voltage drive of silver-colored cash box and receive the drawback of silver-colored cash box, prolonged the life who receives silver-colored cash box. And, can detect out the required operating voltage of cash box's work circuit automatically, compare in the scheme of the artifical cash box operating voltage that discerns among the correlation technique, improve the intellectuality that the cash box was received in the drive effectively, promote user experience.
Figure 3 is a schematic diagram illustrating another cash register cashbox drive arrangement according to an exemplary embodiment. As shown in fig. 3, the operating voltage detecting unit 10 may include a resistance detecting unit 101 and a first processing unit 102, wherein the first processing unit 102 stores a corresponding relationship between the operating voltage and the resistance.
The resistance detection unit 101 is configured to be connected to a working circuit of the cashbox 2, and the resistance detection unit 101 may detect an equivalent resistance of the working circuit of the cashbox 2 and may generate a second electrical signal representing the equivalent resistance.
Specifically, as shown in fig. 3, the resistance detection unit 101 may further include a voltage detection circuit 1011 and a second processing unit 1012, and the voltage detection circuit 1011 further includes a detection power VCC, a preset resistance R1 and a voltage detection device V, wherein the detection power VCC, the preset resistance R1 and an operating circuit of the cash box form a series circuit. The voltage detection device V can detect the voltage magnitude corresponding to the operating circuit of the cashbox 2 in the series circuit, and generate a third electrical signal for representing the voltage magnitude. Illustratively, the voltage detection device V may be a voltmeter, a multimeter, or the like.
In one embodiment, the voltage detection device V is connected to one end of the preset resistor R1 at one end and to the other end of the preset resistor R1 at the other end to detect the voltage of the preset resistor R1 in the series circuit, and accordingly, the difference between the voltage of the detection power source VCC and the voltage of the preset resistor R1 in the series circuit is the voltage corresponding to the operating circuit of the cashbox.
In another embodiment, one end of the voltage detection device V is connected to one end of the working circuit of the cashbox, and the other end is connected to the other end of the working circuit of the cashbox, so as to detect the voltage corresponding to the working circuit of the cashbox.
After the voltage corresponding to the working circuit of the cashbox 2 is detected according to any of the embodiments, the voltage detection device V may also generate a third electrical signal for representing the voltage.
The second processing unit 1012 is connected to the voltage detection device V, and is configured to receive the third electrical signal generated by the voltage detection device V, and determine the equivalent resistance of the working circuit of the cash box 2 according to the voltage of the detection power VCC, the resistance of the preset resistor R1, and the voltage represented by the third electrical signal when receiving the third electrical signal.
For example, if the voltage of the detection power source VCC is 18V, the resistance of the preset resistor R1 is 20 Ω, and the voltage represented by the third electrical signal is U1, the formula can be shown
The equivalent resistance R2 of the operational circuit of the cash register box is sized.
As shown in fig. 3, the voltage detection circuit 1011 may further include a detection switch 10111, and the detection switch 10111 may be a field effect transistor, a diode, or the like. In fig. 4, the detection switch 10111 is illustrated as a field effect transistor. The detection switch 10111 is provided in the series circuit, and is capable of being closed in response to an instruction (i.e., a first instruction in fig. 3) indicating detection of the magnitude of the equivalent resistance of the operating circuit of the cash register box. For example, the detection switch 10111 is an N-type MOS transistor, and the instruction for detecting the magnitude of the equivalent resistance of the operation circuit of the cash register box may be that a positive voltage is applied to a gate of the N-type MOS transistor, so that the N-type MOS transistor is in an on state, and the detection power VCC, the preset resistance R1, and the operation circuit of the cash register box 2 in fig. 3 form a closed loop circuit, so as to detect the magnitude of the equivalent resistance of the operation circuit of the cash register box in the above manner.
After determining the magnitude of the equivalent resistance R2 of the operating circuit of the cashbox, the resistance detection unit 101 generates a second electrical signal representing the magnitude of the equivalent resistance of the operating circuit of the cashbox 2 and sends the second electrical signal to the first processing unit 102. After receiving the second electrical signal, the first processing unit 102 may determine a target operating voltage corresponding to the equivalent resistance represented by the second electrical signal according to the stored corresponding relationship between the operating voltage and the resistance, where the target operating voltage is an operating voltage required by the operating circuit of the cash box 2.
Typically, the voltage specification of the cash register box comprises 9V, 12V, 24V, i.e. the required operating voltage for the operating circuit of the cash register box may be one of 9V, 12V, 24V. The equivalent resistance of the operating circuit of the cashbox with a voltage specification of 9V is usually 5 Ω to 7.5 Ω, the equivalent resistance of the operating circuit of the cashbox with a voltage specification of 12V is usually 8 Ω to 15 Ω, and the equivalent resistance of the operating circuit of the cashbox with a voltage specification of 24V is usually 18 Ω to 25 Ω. Thus, the first processing unit 102 may determine the voltage specification of the cash register according to the corresponding relationship when receiving the second electrical signal, and further determine the working voltage required by the working circuit of the cash register, and generate the first electrical signal representing the magnitude of the working voltage. For example, if the magnitude of the equivalent resistance represented by the second electrical signal is 10 Ω, the voltage specification of the cashbox determined by the first processing unit 102 is 12V, that is, the operating voltage required by the operating circuit of the cashbox 2 is 12V, and then the first processing unit 102 generates the first electrical signal representing the operating voltage of 12V.
It should be noted that the first processing unit 102 and the second processing unit 1012 may be the same processing unit, or may be two separate processing units, which is not specifically limited in this disclosure.
Figure 4 is a schematic diagram illustrating another cash register cashbox drive arrangement according to an exemplary embodiment. As shown in fig. 4, the cashbox driving apparatus may further include a control unit 12. The control unit 12 is connected to the operating voltage detection unit 10 and the driving unit 11, respectively, and is capable of generating a driving command for instructing to output the operating voltage in response to the first electric signal generated by the operating voltage detection unit 10. Accordingly, the drive unit 11 is capable of outputting an operating voltage to a voltage input of an operating circuit of the cashbox 2 in response to the drive instruction.
In this embodiment, the cashbox driving device includes a control unit, and the control unit can generate a driving instruction according to the first electric signal, so that the driving unit can drive the working circuit of the cashbox to work only by outputting a corresponding working voltage according to the driving instruction.
The drive unit 11 is explained in detail below.
In one embodiment, the driving unit 11 may include a power supply 111 and a voltage converting unit 112. The voltage converting unit 112 may be a DC-DC converter (direct current-direct current converter). The voltage conversion unit 112 is connected to the power supply 111, a voltage input terminal of the operating circuit of the cashbox 2, and the control unit 12, and is configured to convert the voltage of the power supply 111 into an operating voltage according to the driving instruction, and input the operating voltage to the voltage input terminal of the operating circuit of the cashbox 2.
In the present disclosure, the power supply 111 may be any voltage specification, for example, 20V. If the operating voltage represented by the driving command is 12V, the voltage conversion unit 112 may convert the voltage of 20V into a voltage of 12V and input the voltage of 12V to a voltage input terminal of an operating circuit of the cash box 2. If the operating voltage represented by the driving instruction is 24V, the voltage conversion unit 112 may convert the voltage of 20V into a voltage of 24V and input the 24V voltage to a voltage input terminal of an operating circuit of the cash box 2.
As described above, the voltage specification of the cash register box is typically 9V, 12V and 24V, and thus, in order to reduce the voltage conversion workload of the voltage conversion unit 112, in one embodiment, the voltage of the power supply 111 is any one of various voltage specifications of the cash register box, for example, the voltage of the power supply 111 may be 9V, 12V or 24V. As shown in fig. 4, the driving unit 11 may further include a first switch 113.
As shown in fig. 4, the first switch 113 is connected to the power supply 111 and the voltage input terminal of the operating circuit of the cashbox 2, and the first switch 113 can be closed when the driving instruction indicates that the operating voltage is the voltage of the power supply, so as to input the voltage of the power supply to the voltage input terminal of the operating circuit of the cashbox 2. For example, the voltage of the power supply is 24V, and when the operating voltage represented by the driving command is 24V, the first switch 113 is closed, so that the power supply 111 directly inputs the voltage of 24V to the voltage input terminal of the operating circuit of the cashbox 2 through the first switch 113 to drive the operating circuit of the cashbox 2 to operate.
Accordingly, the voltage conversion unit 112 only needs to convert the voltage of the power supply into the operating voltage and input the operating voltage to the voltage input terminal of the operating circuit of the cash register box when the driving instruction indicates that the operating voltage is not the voltage of the power supply. For example, following the above example, in the case where the drive instruction indicates that the operating voltage is 9V, the voltage conversion unit 112 converts the 24V voltage of the power supply 111 into a 9V voltage, and inputs the 9V voltage to the voltage input terminal of the operating circuit of the cashbox 2. Alternatively, in the case where the driving instruction indicates that the operating voltage is 12V, the voltage conversion unit 112 converts the 24V voltage of the power supply 111 into 12V voltage and inputs the 12V voltage to the voltage input terminal of the operating circuit of the cash box 2.
In view of the limited variety of voltage specifications of the cashbox, in yet another embodiment, the driving unit 11 may comprise a plurality of voltage specifications of the power supply and a plurality of second switches, and each voltage specification of the power supply is connected to the voltage input of the operating circuit of the cashbox through one second switch. Illustratively, the power supplies of the various voltage specifications are a power supply of 9V, a power supply of 12V, and a power supply of 24V. The 9V power supply is connected to the voltage input of the operating circuit of the cashbox via a second switch, the 12V power supply is connected to the voltage input of the operating circuit of the cashbox via a second switch, and the 24V power supply is connected to the voltage input of the operating circuit of the cashbox via a second switch.
When the working voltage represented by the driving instruction is 9V, the second switch connected with the 9V power supply is closed, the 9V power supply directly supplies power for the working circuit of the cash register box, when the working voltage represented by the driving instruction is 12V, the second switch connected with the 12V power supply is closed, the 12V power supply directly supplies power for the working circuit of the cash register box, and when the working voltage represented by the driving instruction is 24V, the second switch connected with the 24V power supply is closed, and the 24V power supply directly supplies power for the working circuit of the cash register box.
By adopting the technical scheme, the required working voltage of the working circuit of the cash box can be automatically determined, and after the working voltage is determined, the working circuit of the cash box can be automatically provided with matched voltage, so that the intelligence of the working circuit of the cash box driven to work is improved, and the use experience of a user is improved.
The preferred embodiments of the present disclosure are described in detail with reference to the accompanying drawings, however, the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present disclosure within the technical idea of the present disclosure, and these simple modifications all belong to the protection scope of the present disclosure.
It should be noted that, in the foregoing embodiments, various features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various combinations that are possible in the present disclosure are not described again.
In addition, any combination of various embodiments of the present disclosure may be made, and the same should be considered as the disclosure of the present disclosure, as long as it does not depart from the spirit of the present disclosure.
Claims (10)
1. A cash register cashbox drive apparatus, comprising:
the working voltage detection unit is connected with the driving unit;
the working voltage detection unit is connected with a working circuit of the cash register cashbox to generate a first electric signal for representing the magnitude of the working voltage required by the working circuit of the cash register cashbox;
the driving unit is used for being connected with a voltage input end of a working circuit of the cash register cashbox, responding to the first electric signal, and inputting the working voltage to the voltage input end of the working circuit of the cash register cashbox so as to drive the working circuit of the cash register cashbox to work.
2. The cash register box driving apparatus according to claim 1, wherein the operating voltage detecting unit includes: the circuit comprises a resistance detection unit and a first processing unit, wherein the first processing unit stores the corresponding relation between working voltage and resistance;
the resistance detection unit is connected with the working circuit of the cash register cashbox to generate a second electric signal for representing the equivalent resistance of the working circuit of the cash register cashbox;
the first processing unit is connected with the resistance detection unit and can respond to the corresponding relation between the working voltage and the resistance and the second electric signal and generate the first electric signal based on the corresponding relation.
3. The cash register cashbox driving apparatus of claim 2, wherein the resistance detection unit comprises: the cash register comprises a voltage detection circuit and a second processing unit, wherein the voltage detection circuit comprises a detection power supply, a preset resistor and a voltage detection device, and the detection power supply, the preset resistor and a working circuit of the cash register box form a series loop;
the voltage detection device can detect the voltage corresponding to the working circuit of the cash register box in the series loop and generate a third electric signal for representing the voltage;
the second processing unit is connected with the voltage detection device and can respond to the third electric signal to determine the equivalent resistance of the working circuit of the cash register box.
4. The cash register cashbox drive apparatus of claim 3, wherein the voltage detection circuit further comprises: a detection switch;
the detection switch is arranged in the series circuit and can be closed in response to an instruction for indicating the size of an equivalent resistor of a working circuit of the cash register cashbox, so that the detection power supply, the preset resistor and the working circuit of the cash register cashbox form a closed circuit.
5. The cash register cashbox drive apparatus of claim 1, further comprising: a control unit;
the control unit is respectively connected with the working voltage detection unit and the driving unit and can respond to the first electric signal to generate a driving instruction for indicating to output the working voltage;
the driving unit may input the operating voltage to a voltage input terminal of an operating circuit of the cash register box in response to the driving instruction.
6. The cashbox drive apparatus of claim 5, wherein the drive unit comprises a power supply and a voltage conversion unit;
the voltage conversion unit is respectively connected with the power supply and the voltage input end of the working circuit of the cash register cashbox, can respond to the driving instruction, converts the voltage of the power supply into the working voltage, and inputs the working voltage to the voltage input end of the working circuit of the cash register cashbox.
7. The cashbox drive apparatus of claim 6, wherein the voltage of the power supply is any one of a plurality of voltage specifications for cashboxes; the drive unit further comprises a first switch;
the first switch is respectively connected with the power supply and a voltage input end of a working circuit of the cash register cashbox, and can be closed when the driving instruction indicates that the working voltage is the voltage of the power supply, so that the voltage of the power supply is input to the voltage input end of the working circuit of the cash register cashbox;
the voltage conversion unit can convert the voltage of the power supply into the working voltage and input the working voltage to a voltage input end of a working circuit of the cash register box when the driving instruction indicates that the working voltage is not the voltage of the power supply.
8. The cashbox driving device of claim 5, wherein the driving unit comprises a plurality of voltage specification power supplies and a plurality of second switches, each of the voltage specification power supplies is connected with a voltage input end of an operating circuit of the cashbox through one of the second switches;
the second switch can be closed when the driving instruction indicates that the working voltage is the voltage specification of a power supply connected with the second switch, so that the working voltage is input to a voltage input end of a working circuit of the cash register box.
9. The cashbox drive apparatus of any one of claims 1-8, wherein an operating voltage required by an operating circuit of the cashbox is one of 9V, 12V and 24V.
10. A cash register, comprising: the cash register cashbox drive apparatus and the cash register cashbox of any one of claims 1-9, wherein the cash register cashbox drive apparatus is connected with an operating circuit of the cash register cashbox.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021755759.8U CN212809372U (en) | 2020-08-19 | 2020-08-19 | Cash box driving device and cash register |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021755759.8U CN212809372U (en) | 2020-08-19 | 2020-08-19 | Cash box driving device and cash register |
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| CN212809372U true CN212809372U (en) | 2021-03-26 |
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