CN206074042U - Four-in-one multifunction measuring set - Google Patents

Abstract

The utility model discloses a kind of four-in-one multifunction measuring set, is related to measurement apparatus technical field.The measurement apparatus include housing, and also including measurement module, the measurement module includes that master controller, key-press module, display module, prompt tone module, metal detection module, wood detecting module, alternating current probe module and metal strengthen detecting module.The four-in-one multifunction measuring set strengthens detecting module by metal detection module, wood detecting module, alternating current probe module and metal respectively, coating metal thing, wood, alternating current and deep layer metal object are detected, it is vdiverse in function, it is easy to use, small volume, it is easy to carry, and advantage of lower cost.

Description

Four-in-one multifunction measuring set

Technical field

This utility model is related to measurement apparatus technical field, more particularly to one kind can measure top layer metal object, wood, depth The four-in-one multifunction measuring set of layer metal object and alternating current.

Background technology

If necessary to detect to metal, moisture, alternating current and unidirectional current in prior art, four kinds of measurement dresses are needed Put, cause high cost, and carry inconvenient.

Utility model content

Technical problem to be solved in the utility model is to provide one kind and can measure top layer metal object, wood, deep layer gold The four-in-one multifunction measuring set of category thing and alternating current, to the measurement apparatus high cost and the carrying that solve prior art Inconvenient problem.

To solve above-mentioned technical problem, technical solution adopted in the utility model is：A kind of four-in-one multifunctional measuring Device, including housing, it is characterised in that：Also include measurement module, the measurement module includes master controller, key-press module and institute The signal input part connection of master controller is stated, for being input into control command, the key-press module is embedded on the housing；Show Module is connected with the signal output part of the master controller, for showing the data of the measurement apparatus measurement, the display mould Block is embedded on housing；Prompt tone module is connected with the signal output part of the master controller, for the control in master controller Under send prompt tone；Metal detection module is connected with the signal input part of the controller, for detecting the table of object being measured Whether layer has metal；Log detection module is connected with the signal input part of the master controller, for measuring in measured object body Whether timber is had；Alternating current probe module is connected with the signal input part of the master controller, for measuring in measured object body is It is no to have alternating current to flow through；Metal is strengthened detecting module and is connected with the signal input part of the master controller, tested for measuring Whether the deep layer of amount object has metal；The power output end of battery is divided into two-way, needs to supply in the first via and the measurement module The power input connection of the module of electricity, the voltage sampling signal end of the second road Jing low-voltage detection circuits and the master controller Connection.

Further technical scheme is：The low-voltage detection circuit includes resistance R1, and one end of resistance R1 is battery Sampling input, the other end of resistance R1 is divided into three tunnels, first via Jing electric capacity C1 ground connection, the second road Jing resistance R2 ground connection, the Three tunnels are connected with the base stage of audion Q1, the grounded emitter of audion Q1, the colelctor electrode of audion Q1 respectively with resistance R3 with And one end connection of resistance R4, the other end of resistance R4 is connected with the emitter stage of audion Q2, the other end of resistance R3 and three poles The base stage connection of pipe Q2, the colelctor electrode of audion Q2 Jing resistance R5 and light emitting diode D1 ground connection, audion Q1 and electricity successively The node of resistance R4 is the sampled output of the low-voltage detection circuit, and the emitter stage of the audion Q2 is with the resistance R4's Node is power input.

Further technical scheme is：The audion Q1 is NPN type triode, and audion Q2 is PNP type triode.

Using the beneficial effect produced by above-mentioned technical proposal it is：The four-in-one multifunction measuring set passes through respectively Metal detection module, wood detecting module, alternating current probe module and metal strengthen detecting module, to coating metal thing, wood, Alternating current and deep layer metal object are detected, vdiverse in function, and easy to use, small volume is easy to carry, and cost is relatively It is low.

Also there is in the measurement apparatus low-voltage detection circuit, the electricity of battery can be effectively monitored, prompting uses people Member is timely charged or changes battery, prevents which from failing during use, it is impossible to normal to use.Additionally, described low The simple structure of voltage detecting circuit, low cost, and there is alarm lamp, it is convenient to observe.

Description of the drawings

With reference to the accompanying drawings and detailed description this utility model is described in further detail.

Fig. 1 is the structural representation of measurement apparatus described in this utility model embodiment；

Fig. 2 is the schematic block circuit diagram of measurement module described in this utility model embodiment；

Fig. 3 is the circuit theory diagrams of low-voltage detection circuit described in this utility model embodiment；

Wherein：1st, housing 2, key-press module 3, display module.

Specific embodiment

With reference to the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out clearly Chu, it is fully described by, it is clear that described embodiment is only a part of embodiment of the present utility model, rather than whole Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment for being obtained, belongs to the scope of this utility model protection.

Many details are elaborated in the following description in order to fully understand this utility model, but this practicality is new Type can also be different from alternate manner described here to implement using other, and those skilled in the art can be without prejudice to this reality With doing similar popularization in the case of new intension, therefore this utility model is not limited by following public specific embodiment.

The utility model discloses a kind of four-in-one multifunction measuring set, as shown in figure 1, including housing 1, also including survey Amount module, as shown in Fig. 2 the measurement module includes master controller, the signal input part of key-press module and the master controller Connection, for being input into control command, the key-press module 2 is embedded on the housing 1；Display module and the master controller Signal output part connects, and for showing the data of the measurement apparatus measurement, the display module 3 is embedded on housing 1；Prompting Sound module is connected with the signal output part of the master controller, for sending prompt tone under the control of master controller；Metal is visited Survey module to be connected with the signal input part of the controller, whether the top layer for detecting object being measured has metal；Timber is examined Survey module to be connected with the signal input part of the master controller, for measuring in measured object body whether have timber；Alternating current probe Module is connected with the signal input part of the master controller, whether have alternating current and flow through for is measured in measured object body；Gold Category is strengthened detecting module and is connected with the signal input part of the master controller, and whether the deep layer for measuring object being measured has gold Category；The power output end of battery is divided into two-way, and the power input of module powered is needed in the first via and the measurement module Connection, the second road Jing low-voltage detection circuits are connected with the voltage sampling signal end of the master controller.

Timber detection mode：When detecting wood, display module can show wood position to the distance (1 to 5 of measurement apparatus Level) there is when reaching Pyatyi BI BI sound to point out, depth 30mm within the walls；

Coating metal is detected：When detecting the metal on top layer, display module can show metal sites to the distance of measurement apparatus (1 to 5 grades) have BI BI sound to point out when reaching Pyatyi, within the walls depth 30mm；

Metal strengthens detection：When detecting the metal of deeper inside, LCD can show metal sites to the distance (1 of measurement apparatus To 5 grades) there is when reaching Pyatyi BI BI sound to point out, depth 38mm within the walls；

Alternating current probe：When detecting alternating current, display module can show the object with exchange to the distance of measurement apparatus (one to Pyatyi) has BI BI sound to point out when reaching Pyatyi, within the walls depth 50mm.

The four-in-one multifunction measuring set passes through metal detection module, wood detecting module, alternating current probe mould respectively Block and metal strengthen detecting module, detect that function is more to coating metal thing, wood, alternating current and deep layer metal object Sample, easy to use, small volume are easy to carry, and advantage of lower cost.

As shown in figure 3, in one embodiment of the present utility model, the low-voltage detection circuit includes resistance R1, electricity Sampling input of the one end of resistance R1 for battery, the other end of resistance R1 are divided into three tunnels, first via Jing electric capacity C1 ground connection, the second tunnel Jing resistance R2 is grounded, and the 3rd tunnel is connected with the base stage of audion Q1, the grounded emitter of audion Q1, the colelctor electrode of audion Q1 It is connected with one end of resistance R3 and resistance R4 respectively, the other end of resistance R4 is connected with the emitter stage of audion Q2, resistance R3 The other end be connected with the base stage of audion Q2, Jing resistance R5 and light emitting diode D1 connect the colelctor electrode of audion Q2 successively Ground, the node of audion Q1 and resistance R4 is the sampled output of the low-voltage detection circuit, the transmitting of the audion Q2 Pole is power input with the node of the resistance R4.In Fig. 3, the audion Q1 is NPN type triode, and audion Q2 is PNP type triode.

In Fig. 3, output voltages of the Vbat for battery, first the battery threshold threshold voltage of alarm and three poles as needed The conduction threshold voltage of pipe Q1 selects resistance R1 and resistance R2, for example：Audion Q1 selects paster audion 2N3905, battery For the series connection of 2 section single lithium batteries, need to start to report to the police when lithium battery voltage drops to 5.5V (Vbat=5.5V), and due to patch The conduction threshold voltage of piece audion 2N3905 is 0.5V (Vbe=0.5V), then can be according to formula Vbat=Vbe* (R1 + R2)/R2 determines the size of first resistor R1, second resistance R2.

The emitter stage of audion Q2 connects+5V power supplys, a general-purpose interface line GPI01 sampling A level point electricity of microcontroller Pressure；When being detected, GPI01 is initialized as into input state, when cell voltage is higher than threshold voltage, audion Q1 leads Logical, audion Q2 conductings then, light emitting diode D1 are lighted, and show that now electric quantity of lithium battery is normal, and GPI01 detects low electricity It is flat；When cell voltage is less than threshold voltage, audion Q1 cut-offs, audion Q2 cut-offs then, light emitting diode D1 are extinguished, GPI01 detects high level, and now into alarm mode, then, GPI01 is set to output mode by microcontroller, and output is high Level, audion Q1 keep cut-off, light emitting diode D1 to keep OFF state, then time delay T1, make GPI01 output low levels, Then audion Q2 conductings, light emitting diode D1 are lighted；Time delay T2 again, setting GPI01 are input pattern, detect again, so follow Ring.Thus, when lithium battery voltage is less than threshold voltage, the light emitting diode D1 presentation T1 times extinguish what+T2 the times lighted Periodic flicker state.Resistance R3 and resistance R5 plays metering function, and resistance R4 is pull-up resistor, and electric capacity C1 strobes.Institute Simple structure, the low cost of low-voltage detection circuit are stated, and there is alarm lamp, it is convenient to observe.

Claims (3)

1. a kind of four-in-one multifunction measuring set, including housing (1), it is characterised in that：Also include measurement module, the measurement Module includes master controller, and key-press module is connected with the signal input part of the master controller, for being input into control command, described Key-press module (2) is embedded on the housing (1)；Display module is connected with the signal output part of the master controller, for showing Show the data of the measurement apparatus measurement, the display module (3) is embedded on housing (1)；Prompt tone module and the master control The signal output part connection of device processed, for sending prompt tone under the control of master controller；Metal detection module and the control The signal input part connection of device, whether the top layer for detecting object being measured has metal；Log detection module and the master control The signal input part connection of device processed, for measuring in measured object body whether have timber；Alternating current probe module and the main control The signal input part connection of device, whether have alternating current and flow through for is measured in measured object body；Metal strengthen detecting module with Whether the signal input part connection of the master controller, the deep layer for measuring object being measured have metal；The power supply of battery is defeated Go out end and be divided into two-way, the first via is connected with the power input of the module for needing to power in the measurement module, and the second road Jing is low Voltage detecting circuit is connected with the voltage sampling signal end of the master controller.

2. four-in-one multifunction measuring set as claimed in claim 1, it is characterised in that：The low-voltage detection circuit includes Sampling input of the one end of resistance R1, resistance R1 for battery, the other end of resistance R1 are divided into three tunnels, and first via Jing electric capacity C1 connects Ground, the second road Jing resistance R2 ground connection, the 3rd tunnel are connected with the base stage of audion Q1, the grounded emitter of audion Q1, audion The colelctor electrode of Q1 is connected with one end of resistance R3 and resistance R4 respectively, and the other end of resistance R4 is connected with the emitter stage of audion Q2 Connect, the other end of resistance R3 is connected with the base stage of audion Q2, the colelctor electrode of audion Q2 Jing resistance R5 and luminous two successively Pole pipe D1 is grounded, and the node of audion Q1 and resistance R4 is the sampled output of the low-voltage detection circuit, the audion The emitter stage of Q2 is power input with the node of the resistance R4.

3. four-in-one multifunction measuring set as claimed in claim 2, it is characterised in that：The audion Q1 is NPN type three Pole pipe, audion Q2 are PNP type triode.