CN210091025U

CN210091025U - Touch mirror screen tablet computer equipment for commodity sales

Info

Publication number: CN210091025U
Application number: CN201921270696.4U
Authority: CN
Inventors: 张洪
Original assignee: Chengdu Hantang Touch Technology Co Ltd
Current assignee: Chengdu Hantang Touch Technology Co Ltd
Priority date: 2019-08-07
Filing date: 2019-08-07
Publication date: 2020-02-18
Anticipated expiration: 2029-08-07

Abstract

A touch type mirror screen tablet personal computer device for commodity sales comprises a tablet personal computer body with a mirror display screen, a switching power supply, LED lamp strips and a control circuit, wherein the LED lamp strips form a square frame shape and are fixedly installed at the inner side end of the periphery of a shell of the tablet personal computer body and positioned at the periphery of the rear side end of the mirror display screen; the switch power supply and the control circuit are integrated and arranged on the circuit board in the tablet personal computer body and are connected with the main power supply input end of the circuit board in the tablet personal computer body through a lead. This novel specially adapted cosmetics etc. are sold, have the mirror screen, can provide the mirror function of trying on the makeup for the customer of purchasing commodity, and it has brought the facility to purchase cosmetics for the customer, when having the customer to be close, can automatic start work, can also reach energy-conserving effect on the basis of realizing automated control, and the display interface of customer touch mirror screen can directly perceivedly obtain cosmetics function and application method etc. has reduced staff's intensity of labour, has saved market side cost of labor.

Description

Touch mirror screen tablet computer equipment for commodity sales

Technical Field

The utility model relates to a commodity sales auxiliary assembly field, especially a touch mirror surface screen panel computer equipment that commodity sales used.

Background

In the existing commodity sales, particularly when a salesperson needs to explain functions, using methods and the like of a customer (such as cosmetics, electric appliances and the like) to sell the commodity, when the customer needs to know the functions, using methods and the like of a certain commodity, the salesperson needs to correspondingly explain the function, using methods and the like of the commodity face to face; in this way, in particular in a large-scale shopping mall, since the types of the sales commodities are large and the area of the sales area is large, a large number of sales interpreters need to be provided, which results in a large labor cost for the operator and an increase in the operation cost.

With the development of science and technology, more and more intelligent devices are applied to various fields. However, in the prior art, no intelligent device which can facilitate commodity sales is available, so that technical support cannot be provided for operators to reduce staff and improve efficiency and customers to provide better service. Based on the above, it is necessary to provide a device which is convenient to use, can reduce manual explanation as much as possible, and can provide knowledge such as more functions and application methods for a customer to purchase a commodity.

SUMMERY OF THE UTILITY MODEL

In order to overcome current market commodity sales, need the sales force manual explanation commodity function and the various drawbacks that application method exists, the utility model provides a specially adapted sales such as cosmetics, the mirror screen has, can provide the mirror function of trying to make up for the customer of purchasing commodity, it is convenient to have brought for the customer to purchase cosmetics, under control circuit's control action, can be when there being the customer to be close, automatic start work, can also reach energy-conserving effect on the basis of realizing automated control, the customer passes through the display interface of touch mirror screen, can directly perceivedly obtain cosmetics function and application method etc. reach from this and do not need market manual work to explain as far as possible, staff's intensity of labour has been reduced, the touch mirror screen panel computer equipment that a commodity sales of market side manual expenditure cost used has been saved.

The utility model provides a technical scheme that its technical problem adopted is:

a touch type mirror screen tablet personal computer device for commodity sales comprises a tablet personal computer body with a mirror display screen, a switching power supply, LED lamp strips and a control circuit, wherein the LED lamp strips form a square frame shape and are fixedly installed at the inner side end of the periphery of a shell of the tablet personal computer body and positioned at the periphery of the rear side end of the mirror display screen; the switching power supply and the control circuit are integrally installed on a circuit board in the tablet personal computer body; the power input ends of the switching power supply and the two poles of a 220V power line in the tablet computer are respectively connected through leads, the first path of power output end of the switching power supply and the two ends of the power input end of the first path of control circuit are respectively connected through leads, the first path of control power output end of the first path of control circuit is connected with one end of the main power input end of a circuit board in the tablet computer body through a lead, and the second path of control power output end of the first path of control circuit is connected with the positive power input end of the second path of control circuit through a lead; the positive power supply output end of the second control circuit is connected with the positive power supply input end of the LED lamp bar through a wire, and the negative power supply output end of the switching power supply is connected with the negative power supply input end of the second control circuit and the negative power supply input end of the LED lamp bar through wires; the positive electrode of the output end of the second path of power supply of the switching power supply is connected with the input end of the direct current control power supply of the first path of control circuit through a lead; one pole of the 220V alternating current power supply is connected with the input end of the alternating current control power supply of the first path of control circuit through a lead, the other pole of the 220V alternating current power supply is connected with the other end of the input end of the circuit board main power supply in the tablet computer body through a lead, and the original power original switch of the tablet computer is connected between the input end of the alternating current control power supply of the first path of control circuit and the output end of the first path of control power supply in series through a lead.

Furthermore, the switching power supply is an alternating current to direct current switching power supply module and is provided with two power supply output ends.

Further, the first path control circuit comprises a finished product of a microwave sensor assembly module of a type TWH9250, an adjustable resistor, a PNP triode and a relay, wherein the two are connected through a circuit board in a wiring way, a pin 1 of a positive power input end of the microwave sensor assembly module is connected with an emitting electrode of the PNP triode and a control power input end of a first relay, a pin 4 of a negative power input end of the microwave sensor assembly module is connected with negative power input ends of the first relay, a second relay and a third relay, a positive power input end of the second relay and the third relay is connected, a pin 2 of an output end of the microwave sensor assembly module is connected with one end of the resistor, the other end of the resistor is connected with a base electrode of the PNP triode, a collector electrode of the PNP triode is connected with the positive power input end of the first relay, and two ends of the adjustable resistor, the external antenna end of the microwave sensor assembly module is connected with two ends of an annular antenna respectively, the annular antenna is a printed annular antenna printed on a circuit board, and the printed antenna circuit board is positioned on a circuit board in a shell of the tablet personal computer body.

Furthermore, the second control circuit comprises a photoresistor, an adjustable resistor, an NPN triode and a relay, the photoresistor, the adjustable resistor, the NPN triode and the relay are connected through circuit board wiring, a front light receiving surface of the photoresistor is located outside an opening in the middle of the lower end of the front side of the shell of the tablet personal computer body, one end of the photoresistor is connected with one end of the adjustable resistor, the other end of the adjustable resistor is connected with the input end of a positive power supply of the relay and the input end of a control power supply, the other end of the photoresistor.

The utility model has the advantages that: the utility model discloses specially adapted sales such as cosmetics put a this novel at market commodity sales counter suitable position (commodity side) at every interval certain distance before the use, and every this novel internal storage has near a plurality of names, function and application method, price, place of production and so on information of selling cosmetics. This novel mirror screen has, the operation button option of screen left end demonstration panel computer body, and the screen right-hand member does not make demonstration such as picture, video, uses as customer's try to make up mirror, can provide the function of try to make up mirror for the customer of purchasing commodity, and it has brought the facility to purchase cosmetics for the customer. In the novel cosmetic box, under the action of the first path of control circuit, when a customer approaches a commodity for sale, the first path of control circuit can automatically switch on the power supply of the tablet personal computer body, so that the tablet personal computer body is automatically started, when the light is not good, the second control circuit can automatically switch on the power supply of the LED lamp bar to enable the LED lamp bar to emit light to play a good role in decoration and illumination, the customer can visually obtain information such as the name, the function, the application method, the price, the production place and the like of a cosmetic through the display interface of the touch mirror screen, and after the customer leaves the commodity for sale for a certain distance, the first control circuit can automatically enable the tablet personal computer to be in a shutdown state to achieve the aim of saving electric energy; the customer knows various information of commodity through touching the panel computer display screen, has reached like this and has not needed the market to explain by hand as far as possible, has reduced staff's intensity of labour to save market side's cost of labor expenditure, and do benefit to the sales destination of commodity more. Based on the above, so this novel application prospect that has.

Drawings

The invention will be further explained with reference to the drawings and examples.

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a circuit diagram of the present invention.

Detailed Description

As shown in fig. 1, a touch type mirror surface screen tablet personal computer device for commodity sales comprises a tablet personal computer body 1 with a mirror surface display screen, a switching power supply 2 and an LED light bar 3, wherein software stored in the tablet personal computer body 1 stores information such as names, functions, application methods, price, production places and the like of sales commodities, a screen of the tablet personal computer body 1 is provided with a plurality of touch display keys, customers can respectively know information such as the names, the functions, the application methods, the price, the production places and the like of the sales commodities by respectively operating and clicking a plurality of display key options, the left end of the screen displays the operation key options of the tablet personal computer body 1 (various required information of the commodities are displayed after clicking), the right end of the screen is electrified and does not display pictures, videos and the like, and the display options can be used as a customer trying a mirror, and the control circuit 4 is further provided, the LED light bar 3 is formed into a square frame shape and, And is positioned around the rear side end of the mirror display screen 101; the switching power supply 2 and the control circuit 4 are integrally installed on a circuit board in the tablet personal computer body 1. The tablet personal computer body 1 with the mirror display screen is consistent with all common existing tablet personal computers with the mirror display screen in structure, and comprises the display screen, an internal circuit board, Android systems and other systems which guarantee normal operation of the display screen and the internal circuit board.

As shown in fig. 1 and 2, the switching power supply U1 is a finished product of a brand bright weft ac 220V-to-dc switching power supply module, and has two power supply input terminals 1 and 2 pins, two power

supply output terminals

3 and 4 pins, 5 and 4 pins, the two power supply output terminals share a negative power supply output terminal 4 pin, the first power supply output terminal outputs a 12V dc power supply, and the second power supply output terminal outputs a 5V dc power supply. The LED lamp strip LEDN is a flexible LED lamp strip finished product with the brand effect of luminescence, and the working voltage is direct current (5V) (each LED lamp bead is connected with a chip resistor in series, so that the working voltage of about 3V of each white LED lamp bead is guaranteed). The first control circuit comprises a finished product U2 of a microwave sensor assembly module of a TWH9250 model, an adjustable resistor RP, a resistor R, an NPN triode Q and relays J, J1 and J2 which are connected by circuit board wiring, a pin 1 of a positive power input end of the microwave sensor assembly module U2 is connected with an emitting electrode of the PNP triode Q and a control power input end of a first relay J, a pin 4 of a negative power input end of a microwave sensor assembly module U2 is connected with a negative power input end of the first relay J, a pin J1 of a second relay and a negative power input end of a third relay J2, a pin 2 (pin 3) of an output end of the microwave sensor assembly module U2 is connected with one end of the resistor R, the other end of the resistor R is connected with a base electrode of the PNP triode Q, a collecting electrode of the PNP triode Q is connected with a positive power input end of the first relay J, two ends of the adjustable resistor RP are respectively connected with the external resistor end 7 and the pin 8 of the microwave sensor assembly module U2, the external antenna end of the microwave sensor assembly module U2 is respectively connected with two ends of a loop antenna W, the loop antenna W is a printed loop antenna printed on a circuit board, the diameter of the printed loop antenna is 5cm, and the printed antenna circuit board is positioned on a circuit board in a shell of the tablet computer. The second circuit of control circuit comprises a photoresistor RL, an adjustable resistor RP1, an NPN triode Q1 and a relay J3, wherein the photoresistor RL, the adjustable resistor RP1, the NPN triode Q1 and the relay J3 are connected through circuit board wiring, a front light receiving surface of the photoresistor RL (5) is positioned outside an opening in the middle of the lower end of the front side of the shell of the tablet computer body 1, one end of the photoresistor RL is connected with one end of the adjustable resistor RP1, the other end of the adjustable resistor RP1 is connected with a positive power input end and a control power input end of the relay J3, the other end of the photoresistor RP 1.

As shown in fig. 2, two power input ends 1 and 2 of the switching power supply U1 are respectively connected with two poles of a 220V power line in the tablet computer through wires (the power line is plugged into a 220V commercial power socket via a power plug). The

pins

3 and 4 of the first path of power output end of the switching power supply U1 and the emitting electrodes of the PNP triode Q at the two ends of the power input of the first path of control circuit are respectively connected with the power input end of the negative electrode of the relay J1 through leads. The normally open contact end of a first path control power supply output end relay J1 of the first path control circuit is connected with the input end of a main power supply of a circuit board U3 in the tablet computer body through a lead. The normally open contact end of the second path of control power supply output end relay J2 of the first path of control circuit is connected with the positive power supply input end of the positive power supply input end relay J3 of the second path of control circuit through a lead. And the positive power output end of the second path of control circuit is connected with the normally closed contact end of a relay J3 and the positive power input end of the LED lamp bar LEDN through a lead. The 4 feet of the negative power output end of the switching power supply U1 are connected with the NPN triode Q1 emitting electrode of the negative power input end of the second path of control power supply and the negative power input end of the LED light bar LEDN through leads. And the positive electrode 3 pin of the output end of the second path of power supply of the switching power supply U1 is connected with the control power supply input end of the direct-current control power supply input end relay J2 of the first path of control circuit through a wire. One pole of the 220V alternating current power supply is connected with the control power supply input end of an alternating current control power supply input end relay J1 of the first path of control circuit through a lead. The other electrode of the 220V alternating current power supply and the other end of the main power supply input of the circuit board U3 in the flat computer body are connected through a lead. An original electric switch K of the tablet personal computer body is connected in series between the control power supply input end of the alternating current control power supply input end relay J1 of the first path of control circuit and the normally open contact end of the first path of control power supply output end relay J1 through a lead.

As shown in fig. 1 and 2, the utility model is particularly suitable for the sale of cosmetics, and before the use, the proper position (commodity side) of the commodity sale cabinet in the market is put one at every certain distance, and every this novel internal storage has the name, function and application method, price, place of production etc. information of a plurality of kinds of sales cosmetics nearby (the computer stores commodity information and is the very mature computer application technique in the prior art). This novel mirror screen has, the operation button option (the various required information that show commodity after clicking) of screen left end demonstration panel computer body, do not show such as picture, video after the screen right-hand member circular telegram yet, use as customer's try makeup mirror, can provide the try makeup mirror function for the customer of purchasing commodity, it is convenient to purchase cosmetics for the customer (the computer stores commodity information or other information, then the operator selects the inquiry information content through touch display screen operation interface, be current very mature computer application technique). After the power cord plug of panel computer body inserts commercial power 220V alternating current power socket, 220V alternating current power can get into switching power U1's 1 and 2 feet, switching power U1 is under its internal circuit effect, its 3 and 4 feet can export stable 12V power and get into the power input both ends of control circuit all the way, the 5V power positive pole that its 5 feet can be exported gets into the relay J2 control power input end of control circuit all the way, then, control circuit all the way is in the operating condition that gets electric, the relay J2 control power input end of control circuit all the way is in the state that gets electric (220V alternating current power one extremely gets into relay J1 control power input end). In the utility model, after the first control circuit is powered on to work, the microwave sensor component module U2 is arranged in the internal circuit, under the combined action of the peripheral element adjustable resistor RP and the external antenna W, microwave signals can be transmitted to a certain range of the peripheral space of the peripheral element adjustable resistor RP, and a space three-dimensional detection area with the detection distance of 3-6 meters is generated (by adjusting different resistance values of the adjustable resistor RP, under the action of an internal circuit of the microwave sensor assembly module U2, the detection distance of the microwave sensor assembly module U2 can be changed, an adjusting knob of the adjustable resistor RP is changed into a small value by adjusting the resistance value leftwards, the detection distance of the microwave sensor assembly module U2 is changed into a large value by adjusting the adjusting knob of the adjustable resistor RP rightwards, the detection distance of the microwave sensor assembly module U2 is changed into a small value, and the detection distance is adjusted into 3 meters by the embodiment so as. After the microwave sensor assembly module U2 got the work of electricity, if no people's activity in 3 meters within range on every side, 2 feet of signal output part of microwave sensor assembly module U2 do not have the output, and follow-up relay J can not get the work of electricity, so, panel computer body and LED lamp strip LEDN all are in the out-of-work state of losing electricity. After the microwave sensor assembly module U2 is powered on to work, if a customer selects a commodity to be close to the detection range of the microwave sensor assembly module U2 and the distance is less than 3 meters, the signal output end of the microwave sensor assembly module U2 under the action of an internal circuit thereof is 2 pins, a low-level signal is output, the current-limiting voltage is reduced through a resistor R and enters the base electrode of a PNP triode Q, and then the PNP triode Q is conducted with a collector electrode thereof to output a high level, and the high level enters the positive power supply input end of a relay J; because the negative power input ends of the relays J, J1 and J2 are communicated with 4 pins of the switching power supply U1, the positive power input ends of the relays J1 and J2 are connected with the normally open contact end of the relay J, and the control power input end of the relay J is communicated with 3 pins of the switching power supply U1, the relay J can be electrified to attract the control power input end of the relay J and the normally open contact end of the relay J to be closed, and further, the relays J1 and J2 can be electrified to attract the control power input end of the relay J and the normally open contact end of the relay J to be closed respectively. Because the control power input end of the relay J1 is communicated with one pole of the 220V alternating current power supply through a lead, the normally open contact end of the relay J1 is connected with one end of the total power input end of the circuit board U3 in the tablet computer body, the other pole of the 220V alternating current power supply is connected with the other end of the total power input end of the circuit board U3 in the tablet computer body, therefore, when someone approaches the commodity around the microwave sensor assembly module U2, the circuit board U3 in the tablet computer body can be powered on to work, therefore, the tablet personal computer body can be automatically started, and the client can intuitively obtain the information of the name, the function, the application method, the price, the production place and the like of the cosmetics through the key display interface of the touch mirror screen, meanwhile, the right end of the screen does not display pictures, videos and the like, and the mirror is used as a makeup trying mirror for a customer, so that the function of the makeup trying mirror can be provided for the customer who purchases commodities, and convenience is brought to the customer for purchasing cosmetics; when a customer leaves a certain distance (more than 3 meters apart) from a sold commodity, the microwave sensor assembly module U2 stops outputting low level by 2 feet under the action of an internal circuit, and then the relays J, J1 and J2 lose power and do not work any more, so that the circuit board U3 in the tablet personal computer body loses power, the tablet personal computer is automatically shut down, and the aims of automatic control and power saving are fulfilled; under the actual condition, if regional customer is enough in the commodity sales, constantly someone is close to and is located this novel 3 meters within ranges, then, microwave sensor subassembly module U2's 2 feet can output low level signal always, and the panel computer body also will be in the operating condition that gets electricity always, has satisfied the control needs under more customers.

As shown in the figures 1 and 2, when a person approaches the microwave sensor assembly module U2, the 2-pin of the microwave sensor assembly module U2 outputs low level, the relays J, J1 and J2 are powered on to close the control power input end and the normally open contact end of the relays respectively, because the control power input end of the relay J2 is communicated with the 5-pin of the switch power supply U1, and the normally open contact end of the relay J2 is connected with the positive power input end of the second circuit of control circuits through a lead, the second circuit of control circuits can be powered on to work at the moment. After the second circuit of control circuit is powered on and works, at night, when the light is poor or in cloudy days, although the market can be illuminated by an illuminating lamp, the light intensity of the illuminating lamp is weaker than that under normal illumination in the daytime, so that the resistance value of the photoresistor RL is larger, at the moment, the 5V power input by the 5 pin of the switching power supply U1 is reduced by the photoresistor RL and the adjustable resistor RP1, the base voltage of the 5V power entering the NPN triode Q1 is lower than 0.7V, and thus, the NPN triode Q1 is in a cut-off state, the collector of the NPN triode Q1 is not output, the relay J3 is in a power-off state, and the; because, the anodal power input end of LED lamp strip LEDN and the normally closed contact end of relay J3 are connected, and relay J3 control power input end links to each other with switching power supply U1's 5 feet, and LED lamp strip LEDN negative pole power input end links to each other with switching power supply U1's 4 feet, so, LED lamp strip LEDN can get the electricity and be in luminous state this moment. When light is strong in the daytime, the resistance value of the light receiving surface of the photoresistor RL becomes smaller under illumination, at the moment, a 5V power supply input by a pin 5 of the switching power supply U1 is subjected to voltage reduction through the photoresistor RL and the adjustable resistor RP1 and then enters a base voltage of an NPN triode Q1 to be higher than 0.7V, so that the NPN triode Q1 is in a conducting state because the base voltage is higher than 0.7V, a collector outputs a low level and enters a negative power supply input end of the relay J3, and because the positive power supply input end and the control power supply input end of the relay J3 are communicated with a pin 5 of the switching power supply U1 through a control power supply input end of the relay J2 and a normally open contact end, the relay J3 can be electrically attracted, the control power supply input end and the normally closed contact end are; through the above, when the light is not good in the market, the second control circuit can automatically switch on the power supply of the LED lamp strip LEDN to enable the LED lamp strip LEDN to emit light to play a good role in decoration and illumination, and when the light is good, the LED lamp strip LEDN does not emit light to play a role in saving electric energy. The novel adjustable resistance RP and the adjustable resistance RP1 can be exposed out of the rear side end of the shell of the tablet personal computer body, and a user can set 5-pin output low level of the microwave sensor assembly module U2 at a required distance by adjusting different resistance values of the adjustable resistance RP, so that the tablet personal computer body is started; a user can set that the LED light bar LEDN is powered on and emits light under the required illumination intensity by adjusting different resistance values of the adjustable resistor RP1, and when the resistance value of the adjustable resistor RP1 is adjusted to be large, the base voltage of the NPN triode Q1 is higher than 0.7V and then is conducted and the LED light bar LEDN is powered on and emits light only when the external light is strong and the resistance value of the photosensitive resistor RL is small; when the resistance value of the adjustable resistor RP1 is adjusted to be small, the base voltage of the NPN triode Q1 is higher than 0.7V when the external light is weak and the resistance value of the photosensitive resistor RL is relatively large, and the LED light bar LEDN is conducted and emits light; through the adjustment, a user can conveniently control the LED lamp strips LEDN to emit light or not to emit light under different illumination environments, and the requirement of personalized control use is met. In this is novel, the user still can directly open switch K as required, 220V alternating current power supply extremely can with relay J1 normally open contact end, this internal circuit board U3's of panel computer main power input one end directly communicates, and like this, the panel computer body no longer receives microwave sensor subassembly module U2's control, and this internal circuit board U3 of panel computer directly gets the electricity and is in operating condition always, is applicable to the very big market of flow of people and uses. The specification of the adjustable resistor RP is 500K; the specification of the adjustable resistor RP1 is 470K; the model of the PNP triode Q is 9012; the resistance value of the resistor R is 1K; relays J, J1, J2 are DC4123 model 12V miniaturised relays; the model of the NPN triode Q1 is 9013; the photoresistor RL model is MD 45; relay J3 is a DC4123 model 5V miniature relay.

The basic principles and essential features of the invention and the advantages of the invention have been shown and described above, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but rather can be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A touch type mirror screen tablet personal computer device for commodity sales comprises a tablet personal computer body with a mirror display screen, a switching power supply, LED lamp strips and a control circuit, wherein the LED lamp strips form a square frame shape and are fixedly installed at the inner side end of the periphery of a shell of the tablet personal computer body and positioned at the periphery of the rear side end of the mirror display screen; the switching power supply and the control circuit are integrally installed on a circuit board in the tablet personal computer body; the power input ends of the switching power supply and the two poles of a 220V power line in the tablet computer are respectively connected through leads, the first path of power output end of the switching power supply and the two ends of the power input end of the first path of control circuit are respectively connected through leads, the first path of control power output end of the first path of control circuit is connected with one end of the main power input end of a circuit board in the tablet computer body through a lead, and the second path of control power output end of the first path of control circuit is connected with the positive power input end of the second path of control circuit through a lead; the positive power supply output end of the second control circuit is connected with the positive power supply input end of the LED lamp bar through a wire, and the negative power supply output end of the switching power supply is connected with the negative power supply input end of the second control circuit and the negative power supply input end of the LED lamp bar through wires; the positive electrode of the output end of the second path of power supply of the switching power supply is connected with the input end of the direct current control power supply of the first path of control circuit through a lead; one pole of the 220V alternating current power supply is connected with the input end of the alternating current control power supply of the first path of control circuit through a lead, the other pole of the 220V alternating current power supply is connected with the other end of the input end of the circuit board main power supply in the tablet computer body through a lead, and the original power original switch of the tablet computer is connected between the input end of the alternating current control power supply of the first path of control circuit and the output end of the first path of control power supply in series through a lead.

2. The touch mirror screen tablet of claim 1, wherein the switching power supply is an ac to dc switching power supply module having two power outputs.

3. The touch mirror panel personal computer device for commercial use according to claim 1, wherein the first control circuit comprises a finished microwave sensor module of type TWH9250, an adjustable resistor, a PNP transistor and a relay, which are connected by wiring on a circuit board, wherein the positive power input terminal 1 of the microwave sensor module is connected to the emitter of the PNP transistor, the control power input terminal of the first relay, the negative power input terminal 4 of the microwave sensor module is connected to the negative power input terminals of the first relay, the second relay and the third relay, the positive power input terminals of the second relay and the third relay are connected, the output terminal 2 of the microwave sensor module is connected to one end of the resistor, the other end of the resistor is connected to the base of the PNP transistor, the collector of the PNP transistor is connected to the positive power input terminal of the first relay, two ends of the adjustable resistor are respectively connected with the pins 7 and 8 of the external resistor of the microwave sensor assembly module, the external antenna end of the microwave sensor assembly module is respectively connected with two ends of a loop antenna, the loop antenna is a printed loop antenna printed on a circuit board, and the printed antenna circuit board is positioned on a circuit board in a shell of the tablet personal computer body.

4. The tablet personal computer device with a touch mirror screen for commercial sale as claimed in claim 1, wherein the second control circuit comprises a photo resistor, an adjustable resistor, an NPN transistor and a relay, which are connected via wiring of a circuit board, a front light-receiving surface of the photo resistor is located outside an opening at the middle part of the lower end of the front side of the tablet personal computer body casing, one end of the photo resistor is connected with one end of the adjustable resistor, the other end of the adjustable resistor is connected with the input end of the positive power supply of the relay and the input end of the control power supply, the other end of the photo resistor is connected with the base of the NPN transistor, and the collector of the NPN transistor is connected.