CN209103512U - A kind of chargeable Bluetooth transmission device of level - Google Patents
A kind of chargeable Bluetooth transmission device of level Download PDFInfo
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- CN209103512U CN209103512U CN201821793701.5U CN201821793701U CN209103512U CN 209103512 U CN209103512 U CN 209103512U CN 201821793701 U CN201821793701 U CN 201821793701U CN 209103512 U CN209103512 U CN 209103512U
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Abstract
The utility model discloses a kind of chargeable Bluetooth transmission devices of level, including metal joint and shell, the tail end of metal joint is stuck in the interior intracavitary of fastener, and the inside of shell is fixed on by fastener, the tail end of shell is provided with status indicator lamp, the junction of fastener and shell is provided with sealing ring, the tail end of metal joint is electrically connected with the sending and receiving end of Bluetooth control circuit board, Bluetooth control circuit board electrical connection is on power supply circuit board, the other side of power supply circuit board is electrically connected with battery, and power supply circuit board is immobilized in the shell portion.Relative to traditional wired connection; increase the type of available receiving device; transmission range is increased, relative to Special-purpose connecting line+common bluetooth module scheme, Bluetooth transmission device shell mechanism is firmer; protective performance is more preferable; there is sealing ring protection in the junction of metal joint is fixed inside the housing, the fastness of guarantee Bluetooth transmission device using fastener, fastener and shell; product weight volume is smaller, and storage is convenient.
Description
Technical field
The utility model belongs to Bluetooth data transfer technical field, specifically, being related to a kind of chargeable indigo plant of level
Tooth transmitter.
Background technique
During engineering construction (such as railway, highway, subway, building), in order to which monitoring works and periphery dependency structure exist
Deformation horizontal, on vertical direction, needs to use the measuring instrument of entitled " level " and " total station " respectively.Mesh
Before, entire construction industry has information-based demand, implements on level and total station, and being exactly can be by information-based means pair
The monitoring data of instrument are transmitted, are stored, are analyzed, are shared.Therefore, how effectively the monitoring data in level to be transmitted
It out, is a critical issue.
It comes card level and total station comes with the physical interface for supporting serial port communicating protocol, therefore dedicated number can be passed through
According to line, instrument and data receiver (such as PC, handheld device) are subjected to wired connection, to realize the purpose of data transmission.
Dedicated data line one end is 5 adapters of instrument, and the other end is DB9 connector.Therefore it is required that receiving device must support DB9
Connector, such equipment is seldom, causes some small-sized handheld devices (such as Android mobile phone) that can not be applicable in；Wired connection is limited to
The length of connecting line causes communication distance very short (within 2 meters), inflexible for use.
Therefore occur on the market with Special-purpose connecting line+common bluetooth module, the connecting line scheme with bluetooth made should
Scheme is transmitted the data conversion of instrument at Bluetooth signal, then with the receiving device with Bluetooth function.Due to coming card instrument
Cannot power for bluetooth, common bluetooth have a miniUSB interface for charging, and have a physical switch, to bluetooth outside
The robustness of shell, protective have an impact, and are easily damaged, and volume is still larger, and daily storage is not convenient enough.
Summary of the invention
For deficiency above-mentioned in the prior art, the utility model provides a kind of level chargeable Bluetooth transmission device,
Relative to traditional wired connection, the type of available receiving device is increased, transmission range is increased, relative to dedicated connection
Charge port and physical switch is no longer arranged on Bluetooth transmission device shell in line+common bluetooth module scheme, and structure is firmer, prevents
It is more preferable to protect performance, it is using fastener that metal joint is fixed inside the housing, guarantee the fastness of Bluetooth transmission device, fastener and shell
Junction have sealing ring protection, product weight volume is smaller, and storage is convenient.
In order to achieve the above object, the solution that the utility model uses is: a kind of level is passed with chargeable bluetooth
Defeated device, including metal joint and shell, the tail end of the metal joint is stuck in the interior intracavitary of fastener, and is fixed on by fastener
The inside of shell, the tail end of shell are provided with status indicator lamp, and the junction of fastener and shell is provided with sealing ring, metal joint
Tail end be electrically connected with the sending and receiving end of Bluetooth control circuit board, Bluetooth control circuit board electrical connection is on power supply circuit board, power supply
The charge-discharge end of circuit board is electrically connected with battery, and power supply circuit board is immobilized in the shell portion；
It include power circuit on the power supply circuit board, the power circuit includes charging chip, charging chip
Charge control end is connect with first resistor, and the other end of first resistor is grounded jointly with battery cathode, the power end of charging chip
It is connect with the collector of the 6th capacitor, the 4th resistance, the 7th resistance and the second metal-oxide-semiconductor, the other end ground connection of the 6th capacitor, the
The other end of four resistance is connect with the anode of the second light emitting diode, the charging of the cathode and charging chip of the second light emitting diode
The connection of state end, the other end of the 7th resistance are connect with the emitter of the first metal-oxide-semiconductor, the grounded collector of the first metal-oxide-semiconductor, base stage
It is connect with the enable end of metal joint, the emitter of the second metal-oxide-semiconductor connects to power supply, base stage and voltage-stablizer enable end, third electricity
Resistance is connected with the emitter of the first triode, the other end ground connection of 3rd resistor, the collector of the first triode and the 6th resistance
Connection, the other end of the 6th resistance connects to power supply, and the base stage of the first triode is connect with the 5th resistance, the 5th resistance it is another
End is connect with the enable end of metal joint, the input terminal of the anode of the charging current output end of charging chip and battery, voltage-stablizer
And the 7th capacitance connection, the other end ground connection of the 7th capacitor, the output end of voltage-stablizer are connect with 3.3V power supply, 3.3V power supply is also
It is grounded with the other end of the 8th capacitance connection, the 8th capacitor.
The metal joint is 5 needle metal joints.
The fastener includes upper fastener and lower fastener, and the tail end with metal joint is offered on upper fastener and lower fastener
The card slot of cooperation, upper fastener are bolted with lower fastener.
The power supply circuit board is bolted in shell.
The shell is the molding shell of ultrasonic welding.
Second light emitting diode is red light emitting diodes.
It include Bluetooth control circuit on the Bluetooth control circuit board, the sending and receiving end of metal joint is received and dispatched with 232 respectively
A pair of of sending and receiving end of device connects, and another pair sending and receiving end of 232 transceivers and two ends I/O of Bluetooth chip connect, 232 transceivers
Multiplication of voltage charge pump capacitor anode and negative terminal between be connected with the 9th capacitor, reversed charge pumps between the anode and negative terminal of capacitor
It is connected with the 5th capacitor, positive charge pump voltage end and the tenth capacitance connection, negative charge pump voltage end and the 4th capacitance connection, the 4th
The other end of capacitor and the tenth capacitor ground connection, an end I/O of Bluetooth chip and 3.3V power supply and the second capacitance connection, an I/
The end O is connect with first capacitor, the other end ground connection of first capacitor and the second capacitor, a Bluetooth chip also end I/O and the second electricity
Resistance connection, the other end of second resistance are connect with the anode of the first light emitting diode, the cathode ground connection of the first light emitting diode.
First light emitting diode is blue LED.
The beneficial effects of the utility model are:
(1) relative to traditional wired connection, the type of available receiving device is increased, increases transmission range, phase
For Special-purpose connecting line+common bluetooth module scheme, charge port and physical switch are no longer set on Bluetooth transmission device shell, tied
Structure is firmer, and protective performance is more preferable, using fastener that metal joint is fixed inside the housing, guarantees the secured of Bluetooth transmission device
Property, there is sealing ring protection in the junction of fastener and shell, and product weight volume is smaller, and storage is convenient.
(2) the molding shell of external shell ultrasonic welding, robustness and protective are strong.
(3) it is directly charged using 5 adapters using special charging line, using in level, total station physical interface
A special stitch for having voltage be used as " enabled " stitch, after bluetooth plugs instrument after realization Auto Power On.
Detailed description of the invention
Fig. 1 is the utility model Bluetooth transmission device structural schematic diagram；
Fig. 2 is the utility model Bluetooth transmission device explosive view；
Fig. 3 is the utility model Bluetooth transmission device band fastener body diagram；
Fig. 4 is the utility model Bluetooth transmission device band fastener shell A-A cut-away view；
Fig. 5 is the utility model Bluetooth transmission device without body diagram；
Fig. 6 is the utility model Bluetooth transmission device power circuit diagram；
Fig. 7 is the utility model Bluetooth transmission device Bluetooth control circuit diagram；
In attached drawing:
1- shell, 2- metal joint, 3- status indicator lamp, 4- fastener, 5- sealing ring, 6- bluetooth module circuit board, 7- electricity
Source circuit plate, 8- battery, R1- first resistor, R2- second resistance, R3- 3rd resistor, the 4th resistance of R4-, the 5th resistance of R5-,
The 6th resistance of R6-, the 7th resistance of R7-, C1- first capacitor, the second capacitor of C2-, C3- third capacitor, the 4th capacitor of C4-, C5-
Five capacitors, the 6th capacitor of C6-, the 7th capacitor of C7-, the 8th capacitor of C8-, the 9th capacitor of C9-, the tenth capacitor of C10-, D1- first are sent out
Optical diode, the second light emitting diode of D2-, the first triode of Q1-, the first metal-oxide-semiconductor of Q2-, the second metal-oxide-semiconductor of Q3-.
Specific embodiment
The utility model is further described below in conjunction with attached drawing:
As shown in Fig. 1 to Fig. 5, a kind of chargeable Bluetooth transmission device of level, including metal joint 2 and shell 1, it is described
The tail end of metal joint 2 be stuck in the interior intracavitary of fastener 4, and the inside of shell 1 is fixed on by fastener 4, the tail end of shell 1 is set
It is equipped with status indicator lamp 3, the junction of fastener 4 and shell 1 is provided with sealing ring 5, tail end and the Bluetooth control electricity of metal joint 2
The sending and receiving end of road plate 6 is electrically connected, and Bluetooth control circuit board 6 is connected electrically on power supply circuit board 7, the charge and discharge of power supply circuit board 7
End is electrically connected with battery 8, and power supply circuit board 7 is fixed on inside shell 1.
As shown in fig. 6, including power circuit on the power supply circuit board 7, the power circuit includes charging chip,
The charge control end of charging chip is connect with first resistor R1, and the other end of first resistor R1 is grounded jointly with battery cathode, is filled
The power end of electrical chip is connect with the collector of the 6th capacitor C6, the 4th resistance R4, the 7th resistance R7 and the second metal-oxide-semiconductor Q3,
The other end of 6th capacitor C6 is grounded, and the other end of the 4th resistance R4 is connect with the anode of the second light emitting diode D2, the second hair
The charged state end connection of the cathode and charging chip of optical diode D2, the other end of the 7th resistance R7 and the first metal-oxide-semiconductor Q2's
Emitter connection, the grounded collector of the first metal-oxide-semiconductor Q2, base stage are connect with the enable end of metal joint 2, the second metal-oxide-semiconductor Q3's
Emitter connects to power supply, and base stage is connect with the emitter of voltage-stablizer enable end, 3rd resistor R3 and the first triode Q1, third
The other end of resistance R3 is grounded, and the collector of the first triode Q1 is connect with the 6th resistance, the other end and power supply of the 6th resistance
Connection, the base stage of the first triode Q1 are connect with the 5th resistance R5, the other end of the 5th resistance R5 and the enable end of metal joint 2
The anode of connection, the charging current output end of charging chip and battery, the input terminal of voltage-stablizer and the 7th capacitor C7 connection, the
The other end of seven capacitor C7 is grounded, and the output end of voltage-stablizer is connect with 3.3V power supply, and 3.3V power supply is also connect with the 8th capacitor C8,
The other end of 8th capacitor C8 is grounded.
The metal joint 2 is 5 needle metal joints.
The fastener 4 includes upper fastener and lower fastener, and the tail with metal joint 2 is offered on upper fastener and lower fastener
The card slot of cooperation is held, upper fastener is bolted with lower fastener, has ensured the fastness of Bluetooth transmission device.
The power supply circuit board 7 is bolted in shell 1.
The shell 1 is the molding shell of ultrasonic welding.Bluetooth control circuit board 6, power supply circuit board 7 and battery 8 are solid
It is scheduled on enclosure interior.Bluetooth transmission device is more sturdy and durable, and service life is significantly improved compared to other products.
The second light emitting diode D2 is red light emitting diodes.
As shown in fig. 7, including Bluetooth control circuit, the sending and receiving end point of metal joint 2 on the Bluetooth control circuit board 6
It is not connect with a pair of of sending and receiving end of 232 transceivers, another pair sending and receiving end of 232 transceivers and two ends I/O of Bluetooth chip connect
It connects, the 9th capacitor C9 is connected between the anode and negative terminal of the multiplication of voltage charge pump capacitor of 232 transceivers, reversed charge pumps capacitor
The 5th capacitor C5 is connected between anode and negative terminal, positive charge pump voltage end is connect with the tenth capacitor C10, negative charge pump voltage end
Connect with the 4th capacitor C4, the other end of the 4th capacitor C4 and the tenth capacitor C10 ground connection, an end I/O of Bluetooth chip with
3.3V power supply and the second capacitor C2 connection, an end I/O are connect with first capacitor C1, and first capacitor C1 and the second capacitor C2's is another
One end ground connection, a Bluetooth chip also end I/O are connect with second resistance R2, the other end of second resistance R2 and the first light-emitting diodes
The anode connection of pipe D1, the cathode ground connection of the first light emitting diode D1.
The first light emitting diode D1 is blue LED.
One of stitch of the metal joint 2 of the Bluetooth transmission device of the utility model is that 5V charges stitch, and when charging makes
It is charged using 5 needle interfaces and power circuit to battery 8 with charging cable.When in use, directly Bluetooth transmission device is connected to
Come on card level and total station, using one in level and total station physical interface have the special stitch of voltage as
" enabled " stitch, plugs in bluetooth and realizes Auto Power On afterwards together, and status indicator lamp 3 is the first light emitting diode after bluetooth booting
D1 is lighted, and level and total station pass through metal joint 2 and transmit data to 232 transceivers, and 232 transceivers receive the signal and will
The signal is transferred to Bluetooth chip, and rs 232 serial interface signal is converted to Bluetooth signal, realizes the communication with receiving device.
Specific embodiment of the present utility model above described embodiment only expresses, the description thereof is more specific and detailed,
But it should not be understood as limiting the scope of the patent of the utility model.It should be pointed out that for the common of this field
For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these all belong to
In the protection scope of the utility model.
Claims (8)
1. a kind of chargeable Bluetooth transmission device of level, it is characterised in that: described including metal joint (2) and shell (1)
The tail end of metal joint (2) is stuck in the interior intracavitary of fastener (4), and the inside of shell (1), shell (1) are fixed on by fastener (4)
Tail end be provided with status indicator lamp (3), the junction of fastener (4) and shell (1) is provided with sealing ring (5), metal joint (2)
Tail end be electrically connected with the sending and receiving end of Bluetooth control circuit board (6), Bluetooth control circuit board (6) is connected electrically in power supply circuit board
(7) on, the charge-discharge end of power supply circuit board (7) is electrically connected with battery (8), and it is internal that power supply circuit board (7) is fixed on shell (1)；
It include power circuit on the power supply circuit board (7), the power circuit includes charging chip, and charging chip fills
Electric control end is connect with first resistor (R1), and the other end of first resistor (R1) is grounded jointly with battery cathode, charging chip
Power end is connect with the source electrode of the 6th capacitor (C6), the 4th resistance (R4), the 7th resistance (R7) and the second metal-oxide-semiconductor (Q3), the
The other end of six capacitors (C6) is grounded, and the other end of the 4th resistance (R4) is connect with the anode of the second light emitting diode (D2), the
The cathode of two light emitting diodes (D2) and the charged state end of charging chip connect, the other end and first of the 7th resistance (R7)
The emitter of metal-oxide-semiconductor (Q2) connects, the grounded collector of the first metal-oxide-semiconductor (Q2), and the enable end of base stage and metal joint (2) connects
It connects, the emitter of the second metal-oxide-semiconductor (Q3) connects to power supply, base stage and voltage-stablizer enable end, 3rd resistor (R3) and the one or three pole
Manage the emitter connection of (Q1), the other end ground connection of 3rd resistor (R3), the collector and the 6th resistance of the first triode (Q1)
Connection, the other end of the 6th resistance connect to power supply, and the base stage of the first triode (Q1) is connect with the 5th resistance (R5), the 5th electricity
The other end of resistance (R5) is connect with the enable end of metal joint (2), the anode of the charging current output end of charging chip and battery,
The input terminal of voltage-stablizer and the 7th capacitor (C7) connection, the 7th capacitor (C7) the other end ground connection, the output end of voltage-stablizer with
The connection of 3.3V power supply, 3.3V power supply are also connect with the 8th capacitor (C8), the other end ground connection of the 8th capacitor (C8).
2. a kind of chargeable Bluetooth transmission device of level according to claim 1, it is characterised in that: the metal connects
Head (2) is 5 needle metal joints.
3. a kind of chargeable Bluetooth transmission device of level according to claim 1, it is characterised in that: the fastener
(4) include upper fastener and lower fastener, the card slot with the tail end of metal joint (2) cooperation offered on upper fastener and lower fastener,
Upper fastener is bolted with lower fastener.
4. a kind of chargeable Bluetooth transmission device of level according to claim 1, it is characterised in that: the power supply electricity
Road plate (7) is bolted in shell (1).
5. a kind of chargeable Bluetooth transmission device of level according to claim 1, it is characterised in that: the shell
It (1) is the molding shell of ultrasonic welding.
6. a kind of chargeable Bluetooth transmission device of level according to claim 1, it is characterised in that: second hair
Optical diode (D2) is red light emitting diodes.
7. a kind of chargeable Bluetooth transmission device of level according to claim 1, it is characterised in that: the bluetooth control
On circuit board (6) processed include Bluetooth control circuit, the sending and receiving end of metal joint (2) respectively with a pair of of sending and receiving end of 232 transceivers
Connection, another pair sending and receiving end of 232 transceivers and two ends I/O of Bluetooth chip connect, the multiplication of voltage charge pump electricity of 232 transceivers
It is connected with the 9th capacitor (C9) between the anode and negative terminal of appearance, is connected with the 5th between the anode and negative terminal of reversed charge pump capacitor
Capacitor (C5), positive charge pump voltage end are connect with the tenth capacitor (C10), and negative charge pump voltage end is connect with the 4th capacitor (C4),
The other end of 4th capacitor (C4) and the tenth capacitor (C10) is grounded, an end I/O and the 3.3V power supply and the second electricity of Bluetooth chip
Hold (C2) connection, an end I/O is connect with first capacitor (C1), another termination of first capacitor (C1) and the second capacitor (C2)
Ground, a Bluetooth chip also end I/O are connect with second resistance (R2), the other end and the first light emitting diode of second resistance (R2)
(D1) anode connection, the cathode ground connection of the first light emitting diode (D1).
8. a kind of chargeable Bluetooth transmission device of level according to claim 7, it is characterised in that: first hair
Optical diode (D1) is blue LED.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821793701.5U CN209103512U (en) | 2018-11-01 | 2018-11-01 | A kind of chargeable Bluetooth transmission device of level |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821793701.5U CN209103512U (en) | 2018-11-01 | 2018-11-01 | A kind of chargeable Bluetooth transmission device of level |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209103512U true CN209103512U (en) | 2019-07-12 |
Family
ID=67157781
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821793701.5U Active CN209103512U (en) | 2018-11-01 | 2018-11-01 | A kind of chargeable Bluetooth transmission device of level |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209103512U (en) |
-
2018
- 2018-11-01 CN CN201821793701.5U patent/CN209103512U/en active Active
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