CN207488354U - A kind of Portable voltage test bar - Google Patents
A kind of Portable voltage test bar Download PDFInfo
- Publication number
- CN207488354U CN207488354U CN201721390558.0U CN201721390558U CN207488354U CN 207488354 U CN207488354 U CN 207488354U CN 201721390558 U CN201721390558 U CN 201721390558U CN 207488354 U CN207488354 U CN 207488354U
- Authority
- CN
- China
- Prior art keywords
- voltage
- circuit
- control chip
- test bar
- detection circuit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Measurement Of Current Or Voltage (AREA)
Abstract
The utility model discloses a kind of Portable voltage test bar, connector, detection circuit and housing including being used to connect peripheral hardware, the detection circuit are packaged in enclosure interior, and the connector is connected with detection circuit and stretches out hull outside；The detection circuit include for detect peripheral hardware voltage voltage detecting circuit, for preset qualified voltage voltage setting circuit, for show the indicating circuit of peripheral hardware voltage status and control chip, the voltage detecting circuit, voltage setting circuit and indicating circuit respectively with control chip be electrically connected.Using the utility model, user grasps, small, easy to carry, can adjust qualified voltage value according to actual demand, flexibility is strong, greatly facilitates the power supply test of power supply producer.
Description
Technical field
The utility model is related to electronic technology field more particularly to a kind of Portable voltage test bars.
Background technology
Voltage is the basic parameter that electronic technology measures, and voltage measurement is the basis of electronic surveying.Many electronics are set
It is standby all related to voltage, such as signal generator, transmitter and receiver, voltage are main technical indicators；Other technologies refer to
Mark, it is also all related to voltage such as sensitivity, selectivity and gain.Circuit or element, the working condition of device, usually all with electricity
The form of pressure reflects.Therefore, the measurement of voltage is also critically important to the measurement of the parameters such as electric current, field strength, attenuation.
But voltage check device currently on the market still has the defects of certain in detection process, is not easy to work
Make personnel's carrying, it is impossible to the simple and rapid numerical value for adjusting safe voltage, it is impossible to meet the actual demand of user.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of portable electric simple in structure, easy to operate
Press test bar.
In order to solve the above-mentioned technical problem, the utility model provides a kind of Portable voltage test bar and includes connecting
Connector, detection circuit and the housing of peripheral hardware, the detection circuit are packaged in enclosure interior, the connector and detection circuit phase
Connect and stretch out hull outside；The detection circuit is included for detecting the voltage detecting circuit of peripheral hardware voltage, for default qualification
The voltage setting circuit of voltage, for show the indicating circuit of peripheral hardware voltage status and control chip, the voltage detecting circuit,
Voltage setting circuit and indicating circuit are electrically connected respectively with control chip.
As the improvement of said program, the voltage detecting circuit includes the first resistor and second resistance that mutually concatenate；
The power port of one end connection control chip of the first resistor, the 4th RC ports of other end connection control chip；It is described
One end ground connection of second resistance, the 4th RC ports of other end connection control chip.
As the improvement of said program, the voltage setting circuit includes the control mutually concatenated switch and the 4th resistance；
One end ground connection of the control switch, the 5th RC ports of other end connection control chip；One end connection of 4th resistance
Control the power port of chip, the 5th RC ports of other end connection control chip；
As the improvement of said program, the indicating circuit includes the light emitting diode mutually concatenated and 3rd resistor, institute
The anode for stating light emitting diode connects the 3rd RC ports of control chip, cathode ground connection by 3rd resistor.
As the improvement of said program, the power port of the connector connection control chip.
As the improvement of said program, the detection circuit further includes regulator circuit, and the regulator circuit includes voltage stabilizing core
Piece, the first capacitance and the second capacitance；The input terminal connection connector of the regulator circuit, the power supply of output terminal connection control chip
Port, ground terminal ground connection；The input terminal of one end connection regulator circuit of first capacitance, other end ground connection；Second electricity
The output terminal of one end connection regulator circuit of appearance, other end ground connection.
As the improvement of said program, the detection circuit further includes reset circuit, and the reset circuit includes the 5th electricity
Resistance, the power port of one end connection control chip of the 5th resistance, the MCLR ports of other end connection control chip.
As the improvement of said program, the control chip is PIC16F676.
Implement the beneficial effects of the utility model to be：
The utility model by connector, voltage detecting circuit, voltage setting circuit, indicating circuit and control chip package in
Enclosure interior facilitates user to grasp to form barred body structure, small, easy to carry.
Voltage setting circuit is introduced in the utility model to realize the setting of qualified voltage value so that user can be according to reality
Demand adjusts qualified voltage value, and flexibility is strong, greatly facilitates the power supply test of power supply producer.
Indicating circuit is equipped in the utility model to show whether voltage to be measured is qualified automatically, when voltage qualification to be measured,
Indicating circuit sends out qualified indication signal, and when voltage to be measured is unqualified, indicating circuit sends out unqualified indication signal, judges letter
Single, intuitive is strong.
Regulator circuit and reset circuit are additionally provided in the utility model, the constant output of voltage is realized, is applicable to
Supply voltage detection in the range of DC3V~DC24V effectively improves the stability of the utility model.
Description of the drawings
Fig. 1 is the structure diagram of the utility model Portable voltage test bar；
Fig. 2 is another structure diagram of the utility model Portable voltage test bar；
Fig. 3 is the first embodiment circuit diagram of the utility model Portable voltage test bar；
Fig. 4 is the second embodiment circuit diagram of the utility model Portable voltage test bar.
Specific embodiment
It is new to this practicality below in conjunction with attached drawing to make the purpose of this utility model, technical solution and advantage clearer
Type is described in further detail.Only this statement, appearance in the text of the invention or the up, down, left, right, before and after that will occur,
The orientation such as inside and outside word is not the specific restriction to the present invention only on the basis of the attached drawing of the present invention.
The concrete structure of the utility model Portable voltage test bar is shown referring to Fig. 1 and Fig. 2, Fig. 1 and Fig. 2, is wrapped
Connector 5, detection circuit and the housing 6 for connecting peripheral hardware are included, the detection circuit is packaged in inside housing 6, described to patch
Part 5 is connected with detection circuit and stretches out outside housing 6.In use, peripheral hardware and detection circuit can be examined by connector 5
It surveys, and passes through detection circuit and voltage detecting is carried out to peripheral hardware, it is easy to operate.
The detection circuit includes voltage detecting circuit 2, voltage setting circuit 3, indicating circuit 4 and control chip 1, described
Voltage detecting circuit 2, voltage setting circuit 3 and indicating circuit 4 are connect respectively with control chip 1.Wherein：
The voltage detecting circuit 2 is used to detect peripheral hardware voltage.
For the voltage setting circuit 3 for presetting qualified voltage, user can neatly adjust conjunction by voltage setting circuit 3
Lattice voltage value, the supply voltage detection being applicable in the range of DC3V~DC24V, the power supply for greatly facilitating power supply producer are surveyed
Examination.
The indicating circuit 4 and control chip 1 are for showing peripheral hardware voltage status, when peripheral hardware voltage qualification, instruction electricity
Road 4 sends out qualified indication signal, and when peripheral hardware voltage is unqualified, indicating circuit 4 sends out unqualified indication signal, display is convenient,
Intuitive is strong.
The control chip 1 is preferably PIC16F676, system that but not limited to this.
Therefore, the utility model by by connector 5, voltage detecting circuit 2, voltage setting circuit 3, indicating circuit 4 and
Control chip 1 is packaged in inside housing 6 to form barred body structure, and user is facilitated to grasp, small, easy to carry.
Referring to Fig. 3, Fig. 3 shows the first embodiment of the utility model Portable voltage test bar, including connector
CON1, voltage detecting circuit, voltage setting circuit, indicating circuit and control chip N2, specifically：
The control chip N2 is equipped with power port VDD, the RA3/MCLR (resets/volume of grounding ports VSS, MCLR port
Journey port), the 3rd RC ports RC3 (PORTC register ports), the 4th RC ports RC4 (PORTC register ports) and the 5th
RC ports RC5 (PORTC register ports) correspondingly, also other ports can be equipped with to meet user demand on control chip N2.
The power port VDD of the output terminal connection control chip N2 of the connector CON1, ground terminal ground connection.
The voltage detecting circuit 2 includes the first resistor R1 mutually concatenated and second resistance R2；The first resistor R1
One end connection control chip N2 power port VDD, the 4th RC ports RC4 of other end connection control chip N2；Described
One end ground connection of two resistance R2, the 4th RC ports RC4 of other end connection control chip N2.It should be noted that described first
Resistance R1 and second resistance R2 its partial pressure effects, can concatenate multiple divider resistances according to actual conditions in voltage detecting circuit 2.
The voltage setting circuit 3 includes the control mutually concatenated switch K and the 4th resistance R4；The control switch K's
One end is grounded, the 5th RC ports RC5 of other end connection control chip N2；One end connection control chip of the 4th resistance R4
The power port VDD of N2, the 5th RC ports RC5 of other end connection control chip N2.It should be noted that user can pass through control
System switch K starts or closes voltage setting circuit 3, realizes the adjusting of qualified voltage value, flexibility is strong.
The indicating circuit 4 includes the Light-emitting diode LED mutually concatenated and 3rd resistor R3, the reflective diode
The anode of LED controls the 3rd RC ports RC3 of chip N2, cathode ground connection by 3rd resistor R3 connections.When peripheral hardware voltage qualification
When, Light-emitting diode LED sends out qualified indication signal (e.g., lamp is bright), and when peripheral hardware voltage is unqualified, indicating circuit 4 is sent out not
Qualified indication signal (e.g., lamp goes out), display is convenient, intuitive is strong.
When user needs to set safe voltage value, the control of sealing voltage initialization circuit 3 is needed to switch K so that voltage is set
Circuit 3 connects, then by reference power supply by connector CON1 detection circuit for access, at this point, control chip N2 is examined by voltage
Slowdown monitoring circuit 2 acquires and stores the voltage of reference power supply, to realize the setting of safe voltage value.When user needs to detect power supply to be measured
Voltage when, the control of off voltage initialization circuit 3 is needed to switch K so that the open circuit of voltage setting circuit 3, then power supply to be measured is passed through
In connector CON1 detection circuit for access, at this point, control chip N2 detects the voltage of power supply to be measured by voltage detecting circuit 2,
When detecting voltage qualification to be measured, indicating circuit 4 is connected, and Light-emitting diode LED is bright, when detecting that voltage to be measured is unqualified
When, whether indicating circuit 4 is not turned on, and Light-emitting diode LED does not work, qualified so as to be quickly detected from voltage to be measured, greatly
Facilitate the power supply test of power supply producer.
Referring to Fig. 4, Fig. 4 shows the second embodiment of the utility model Portable voltage test bar, described in Fig. 3
Unlike first embodiment, detection circuit described in the present embodiment further includes regulator circuit.
The regulator circuit includes voltage stabilizing chip N1, the first capacitance C1 and the second capacitance C2；The input of the regulator circuit
Hold the power port VDD of VIN connections connector CON1, output end vo ut connection control chip N2, ground terminal GND ground connection；It is described
The input terminal VIN of one end connection regulator circuit of first capacitance C1, other end ground connection；One end connection of the second capacitance C2 is steady
The output end vo ut of volt circuit, other end ground connection.The constant output of voltage is realized by regulator circuit, effectively improves this reality
With novel stability.
Further, the detection circuit further includes reset circuit.The reset circuit include the 5th resistance R5, the described 5th
The power port VDD of one end connection control chip N2 of resistance R5, the MCLR ports RA3/ of other end connection control chip N2
MCLR.Circuit can be made to return to state by reset circuit, ensure that circuit stability reliably works.
From the foregoing, it will be observed that the utility model is by connector CON1, voltage detecting circuit 2, voltage setting circuit 3, indicating circuit 4
And control chip 1 is packaged in inside housing 6 to form barred body structure, and user is facilitated to grasp, and it is small, it is easy to carry.Specifically,
Voltage setting circuit 3 is introduced in the utility model to realize the setting of qualified voltage value so that user can be according to actual demand tune
Lattice voltage value is integrated, flexibility is strong；Indicating circuit 4 is introduced in the utility model to show whether voltage to be measured is qualified, sentences automatically
Disconnected simple, intuitive is strong.
The above is the preferred embodiment of the utility model, it is noted that for the ordinary skill of the art
For personnel, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications
It is considered as the scope of protection of the utility model.
Claims (8)
1. a kind of Portable voltage test bar, which is characterized in that connector, detection circuit and shell including being used to connect peripheral hardware
Body, the detection circuit are packaged in enclosure interior, and the connector is connected with detection circuit and stretches out hull outside；
The detection circuit includes for detecting the voltage detecting circuit of peripheral hardware voltage, setting for presetting the voltage of qualified voltage
Circuit, for show the indicating circuit of peripheral hardware voltage status and control chip, the voltage detecting circuit, voltage setting circuit and
Indicating circuit is electrically connected respectively with control chip.
2. Portable voltage test bar as described in claim 1, which is characterized in that the voltage detecting circuit includes mutually string
The first resistor and second resistance connect；
The power port of one end connection control chip of the first resistor, the 4th RC ports of other end connection control chip；
One end ground connection of the second resistance, the 4th RC ports of other end connection control chip.
3. Portable voltage test bar as described in claim 1, which is characterized in that the voltage setting circuit includes mutually string
The control switch connect and the 4th resistance；
One end ground connection of the control switch, the 5th RC ports of other end connection control chip；
The power port of one end connection control chip of 4th resistance, the 5th RC ports of other end connection control chip.
4. Portable voltage test bar as described in claim 1, which is characterized in that the indicating circuit includes what is mutually concatenated
Light emitting diode and 3rd resistor, the anode of the light emitting diode connect the 3rd RC ends of control chip by 3rd resistor
Mouthful, cathode ground connection.
5. Portable voltage test bar as described in claim 1, which is characterized in that the electricity of the connector connection control chip
Source port.
6. Portable voltage test bar as described in claim 1, which is characterized in that the detection circuit further includes voltage stabilizing electricity
Road, the regulator circuit include voltage stabilizing chip, the first capacitance and the second capacitance；
The input terminal connection connector of the regulator circuit, the power port of output terminal connection control chip, ground terminal ground connection；
The input terminal of one end connection regulator circuit of first capacitance, other end ground connection；
The output terminal of one end connection regulator circuit of second capacitance, other end ground connection.
7. Portable voltage test bar as described in claim 1, which is characterized in that the detection circuit further includes reset electricity
Road, the reset circuit include the 5th resistance, the power port of one end connection control chip of the 5th resistance, and the other end connects
Connect the MCLR ports of control chip.
8. Portable voltage test bar as described in claim 1, which is characterized in that the control chip is PIC16F676.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721390558.0U CN207488354U (en) | 2017-10-25 | 2017-10-25 | A kind of Portable voltage test bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721390558.0U CN207488354U (en) | 2017-10-25 | 2017-10-25 | A kind of Portable voltage test bar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207488354U true CN207488354U (en) | 2018-06-12 |
Family
ID=62477360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721390558.0U Active CN207488354U (en) | 2017-10-25 | 2017-10-25 | A kind of Portable voltage test bar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207488354U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109655687A (en) * | 2018-12-18 | 2019-04-19 | 米艾西(福建)测控技术有限公司 | A kind of detector for high pressure detection |
| CN109655686A (en) * | 2018-12-18 | 2019-04-19 | 米艾西(福建)测控技术有限公司 | A kind of highly-safe novel detector bar |
-
2017
- 2017-10-25 CN CN201721390558.0U patent/CN207488354U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109655687A (en) * | 2018-12-18 | 2019-04-19 | 米艾西(福建)测控技术有限公司 | A kind of detector for high pressure detection |
| CN109655686A (en) * | 2018-12-18 | 2019-04-19 | 米艾西(福建)测控技术有限公司 | A kind of highly-safe novel detector bar |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207488354U (en) | A kind of Portable voltage test bar | |
| CN102243286B (en) | Apparatus for detecting and displaying grounding state of equipment or socket | |
| CN206096328U (en) | Portable electric contact circuit break -make detector | |
| CN107037257B (en) | Universal current measuring device for high-voltage direct-current withstand voltage test | |
| CN206832975U (en) | High voltage electric energy on-site calibration device | |
| CN205450108U (en) | Electric energy meter based on hall sensor | |
| CN205981495U (en) | Quick detection device of thermocouple | |
| CN109116287A (en) | A kind of safety integrated tester calibrating installation | |
| CN109425636A (en) | Four sections of soil moisture detection sensors based on TDR mode | |
| CN205829654U (en) | Power equipment communication test instrument | |
| CN209372858U (en) | A kind of crack integration simplified collection alarm terminal | |
| CN204228875U (en) | Path break circuit fast detector | |
| CN108801896A (en) | A kind of aging testing system | |
| CN206862875U (en) | Laser methane sensor | |
| CN107329102A (en) | A kind of sensor calibrating method and user's adjustable sensor construction | |
| CN203785707U (en) | Comprehensive intelligent detector for detecting stray current, exploration area and humidity without pulling wire | |
| CN209728067U (en) | A kind of power control cabinet debugging integrated system | |
| CN104267308A (en) | Fast detector for access circuit and open circuit | |
| CN208076073U (en) | A kind of digital contact holding tension gauge | |
| CN208091808U (en) | A kind of secondary small line terminal strength testing tool of electric system | |
| CN207689007U (en) | A kind of circuit and light-emitting device of stabilized light source | |
| CN108120856A (en) | A kind of detachable high voltage generating station detection device | |
| CN104793119A (en) | Extending device with common multimeter for testing controlled silicone | |
| CN207051187U (en) | Point-type combustible gas detecting device based on infrared gas sensor | |
| CN204422714U (en) | Common multimeter test controllable silicon expanding unit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |