CN208998840U - A kind of multimeter - Google Patents

A kind of multimeter Download PDF

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Publication number
CN208998840U
CN208998840U CN201821713069.9U CN201821713069U CN208998840U CN 208998840 U CN208998840 U CN 208998840U CN 201821713069 U CN201821713069 U CN 201821713069U CN 208998840 U CN208998840 U CN 208998840U
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CN
China
Prior art keywords
sensor
controller
port
electrically connected
baroceptor
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Expired - Fee Related
Application number
CN201821713069.9U
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Chinese (zh)
Inventor
郑相相
冉诗勇
叶倩文
夏莹萍
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Wenzhou University
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Wenzhou University
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Priority to CN201821713069.9U priority Critical patent/CN208998840U/en
Application granted granted Critical
Publication of CN208998840U publication Critical patent/CN208998840U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of multimeter, including shell and it is installed on the intracorporal circuit board of shell, power supply module, temperature sensor, humidity sensor, baroceptor, ultrasonic distance-measuring sensor, controller and display screen are at least configured on circuit board;The power supply module is temperature sensor, humidity sensor, baroceptor, ultrasonic distance-measuring sensor, controller and display screen power supply;Controller is electrically connected with temperature sensor, humidity sensor, baroceptor, ultrasonic distance-measuring sensor and display screen respectively, for realizing the signal interaction with the temperature sensor, humidity sensor, baroceptor, ultrasonic distance-measuring sensor and display screen;Shell corresponding temperature sensor, humidity sensor, baroceptor, ultrasonic distance-measuring sensor and display screen position offer compatible measurement through-hole respectively.The utility model has the following advantages that and effect: its built-in multiple sensors is convenient for the user to use and operates.

Description

A kind of multimeter
Technical field
The utility model relates to measuring device, in particular to a kind of multimeter.
Background technique
People in order to from the external world obtain information, it is necessary to by means of sense organ, and depend merely on the sense organ of people itself, Their function is just far from much of that in research natural phenomena and rule and production activity.To adapt to such case, it is necessary to Sensor.Common sensor includes for measuring the temperature sensor of temperature, the humidity sensor for measuring humidity, measurement pressure Pressure sensor etc., existing for living and producing for sensor all bring great convenience.
But many kinds of and each sensor of sensor be it is individually placed, when multiple sensors being needed to be applied in combination, Can be taken considerable time when choosing corresponding sensor, and between each sensor connection conducting wire it is various cause wiring mixed and disorderly, Influence the normal operating of user.
Utility model content
The purpose of the utility model is to provide a kind of multimeter, built-in multiple sensors are convenient for the user to use And operation.
The above-mentioned technical purpose of the utility model has the technical scheme that a kind of multimeter, Including shell and it is installed on the intracorporal circuit board of shell, at least configured with power supply module, temperature sensor, wet on the circuit board Spend sensor, baroceptor, ultrasonic distance-measuring sensor, controller and display screen;The power supply module is temperature sensing Device, humidity sensor, baroceptor, ultrasonic distance-measuring sensor, controller and display screen power supply;The temperature sensor It is electrically connected with the controller, is used for temperature collection signal;The humidity sensor is electrically connected with the controller, for acquiring humidity letter Number;The baroceptor is electrically connected with the controller, for acquiring air pressure signal;The ultrasonic distance-measuring sensor and control Device electrical connection processed, for acquiring and the distance signal of target;The display screen is electrically connected with the controller, for receiving controller Signal and display;The controller is passed with temperature sensor, humidity sensor, baroceptor, ultrasonic distance measurement respectively Sensor and display screen electrical connection, for realizing with the temperature sensor, humidity sensor, baroceptor, ultrasound Signal interaction away from sensor and display screen;It is the shell corresponding temperature sensor, humidity sensor, baroceptor, super The position of sound ranging sensor and display screen offers compatible measurement through-hole respectively.
By using above-mentioned technical proposal, the utility model is by temperature sensor, humidity sensor, baroceptor, super Sound ranging sensor, controller and display screen are integrated on a circuit board, realize the multi-functional, multi-purpose of the utility model Wayization needs manual wiring and Wiring step is more, troublesome status, avoids each sensor when changing each sensor combinations use Stacking is placed, conducting wire is various or even the situation of winding, need to only use the utility model that can carry out testing temperature, measuring moisture, survey gas Pressure and ranging, bring great convenience, while can also be applied to the teaching classroom of daily life, university for the work of measurement, It has broad application prospects.In addition, the power supply module configured on circuit board can be powered for each component on circuit board, mention The high portability of the utility model Portable belt and can measure work with oneself whenever and wherever possible, be more that of avoiding it is traditional out Row needs to carry multiple sensors, leads to the situation that knapsack is not enough.In addition, the setting of controller, as maincenter realize with The signal interaction of temperature sensor, humidity sensor, baroceptor, ultrasonic distance-measuring sensor and display screen;Display screen Setting, brings intuitive data and shows, user can check each sensor data collected by display screen, very convenient; In addition, measuring the setting of through-hole on shell, even more facilitate measurement of the utility model to external environment, it, will without dismantling shell The utility model is placed and environment to be measured, easy to operate easy to get started, raising user experience.
Be further arranged to: also expanded configuration has illuminance measurement port, weighing port and electric current on the circuit board Voltage port;The illuminance measurement port is electrically connected with the controller, and is used for external illuminance sensor;The weighing end Mouth is electrically connected with the controller, and is used for external weighing sensor;The Current Voltage port is electrically connected with the controller, for external Current Voltage sensor;The controller is electrically connected with illuminance measurement port, weighing port and Current Voltage port respectively, With the signal received from illuminance measurement port, weighing port and the transmitting of Current Voltage port;The shell corresponds to illuminance The position of measurement port, weighing port and Current Voltage port offers compatible installation through-hole respectively.
By using above-mentioned technical proposal, the utility model is being based on common temperature sensor, humidity sensor, air pressure On the basis of sensor and ultrasonic distance-measuring sensor, also extension has illuminance measurement port, weighing port and Current Voltage end Mouthful, sufficiently meet the various demands of user, it, only need to be by phase when user needs to measure illuminance, measured weight and surveys Current Voltage The sensor answered connects corresponding port, simple and convenient.In addition, illuminance measurement port, weighing port and Current Voltage Port is electrically connected with the controller, and need to only use a controller, is had using control cost, is even more being expanded illuminance In the case where measurement port, weighing port and Current Voltage port, without increasing the volume of shell, the utility model both ensure that Portability, and great convenience is brought for the measurement work of user.
It is further arranged to: being also configured with toggle switch, the toggle switch and controller electricity on the circuit board Connection, for switch controller and temperature sensor, humidity sensor, baroceptor, ultrasonic distance-measuring sensor, illuminance Measurement port, weighing port and Current Voltage port one of them or any several signal interaction.
By using above-mentioned technical proposal, the setting of toggle switch is provided for user in temperature sensor, humidity sensor Switch in device, baroceptor, ultrasonic distance-measuring sensor, illuminance measurement port, weighing port and Current Voltage port and surveys The selection of amount, controller and one of them or any several sensors may be selected in user or the signal of port transmits, and then from aobvious Display screen sees the data that respective sensor or port processing arrive, avoid without using working sensor cause show screen display Numerical value it is excessive intensive brought by interference, the numerical value that display screen display can be made to need by toggle switch facilitates user to check And record work, convenience is brought for user.
It is further arranged to: being also configured with voice module on the circuit board, the voice module is by power supply module Power supply, the voice module is electrically connected with the controller, for issuing voice prompting.
By using above-mentioned technical proposal, the setting of voice unit can issue corresponding voice prompting in user's operation, Facilitate the upper hand of user.
It is further arranged to: being also configured with clock module on the circuit board, the clock module is by power supply module Power supply, the clock module is electrically connected with the controller, for providing time signal.
By using above-mentioned technical proposal, the setting of clock module can provide time signal for controller and pass through display Screen is shown, user is enable to take the time constantly when checking the numerical value on display screen.
Be further arranged to: the shell includes body and cover board, and the cover plate lid is set to body and forms one Placed cavity, the circuit board are fixedly installed in placed cavity.
By using above-mentioned technical proposal, body is used for protection circuit plate, circuit board is avoided directly to touch with external object, It is provided with cover board simultaneously, for installing and dismantling the circuit board in placed cavity.The setting of shell, so that the utility model can be placed It in places equal on table, while being even more to facilitate user that the utility model is placed in trip in packet.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of embodiment;
Fig. 2 is the partial exploded view of embodiment;
Fig. 3 is the functional block diagram of embodiment;
Fig. 4 is the schematic layout pattern of the circuit board of embodiment.
In figure: 1, shell;11, body;12, cover board;110, installation through-hole;120, through-hole is measured;2, circuit board;3, it places Chamber;4, power supply module;51, temperature sensor;52, humidity sensor;53, baroceptor;54, ultrasonic distance-measuring sensor; 55, illuminance measurement port;56, weighing port;57, Current Voltage port;6, toggle switch;7, controller;81, voice mould Block;82, clock module;9, display screen.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
Referring to figs. 1 to Fig. 4, a kind of multimeter, including shell 1 and the circuit board being installed in shell 12, circuit board 2 It is upper configured with power supply module 4, temperature sensor 51, humidity sensor 52, baroceptor 53, ultrasonic distance-measuring sensor 54, Controller 7 and display screen 9;
Power supply module 4 uses lithium battery, can be temperature sensor 51, humidity sensor 52, baroceptor 53, ultrasonic wave Distance measuring sensor 54, controller 7 and display screen 9 are powered;
Temperature sensor 51 is electrically connected with controller 7, is used for temperature collection signal;
Humidity sensor 52 is electrically connected with controller 7, for acquiring moisture signal;
Baroceptor 53 is electrically connected with controller 7, for acquiring air pressure signal;
Ultrasonic distance-measuring sensor 54 is electrically connected with controller 7, for acquiring and the distance signal of target;Temperature sensor 51, humidity sensor 52, baroceptor 53 and ultrasonic distance-measuring sensor 54 are the prior art, can directly be purchased from the market It buys, the model pt100 of temperature sensor 51 in the present embodiment, the model HIH-3602 of humidity sensor 52, air pressure sensing The model SIN-P300 of device 53, the model HC-SR04 of ultrasonic sensor.
Display screen 9 is electrically connected, for receiving controller 7 using the display screen of model OLED12864 with controller 7 Signal and show respective value;
Controller 7 respectively with temperature sensor 51, humidity sensor 52, baroceptor 53, ultrasonic distance-measuring sensor 54 and display screen 9 be electrically connected, for realizing with the temperature sensor 51, humidity sensor 52, baroceptor 53, ultrasound The signal interaction of wave distance measuring sensor 54 and display screen 9, i.e. controller 7 can be respectively received from temperature sensors 51, humidity sensor Device 52, baroceptor 53 and the signal collected of ultrasonic distance-measuring sensor 54.51 single-chip microcontrollers, STM32 can be used in controller 7 Single-chip microcontroller etc., controller 7 uses Arduino development board in the present embodiment.
In addition, also expanded configuration has illuminance measurement port 55, weighing port 56 and Current Voltage port on circuit board 2 57;
Illuminance measurement port 55 is electrically connected with controller 7, for external illuminance sensor and receives illuminance sensing The illuminance signal of device acquisition;
Weighing port 56 be electrically connected with controller 7, for external weighing sensor and receive weighing sensor acquire weight Measure signal;
Current Voltage port 57 is electrically connected with controller 7, for external impressed current voltage sensor and receives Current Voltage biography The current and voltage signals of sensor acquisition;
Controller 7 is electrically connected with illuminance measurement port 55, weighing port 56 and Current Voltage port 57 respectively, to receive The signal transmitted from illuminance measurement port 55, weighing port 56 and Current Voltage port 57;Illuminance measurement port 55, weighing Port 56 and Current Voltage port 57 are connecting terminal and are welded on circuit board 2, and are electrically connected by conducting wire with controller 7 It connects, user can be by the pin of illuminance sensor, weighing sensor and Current Voltage sensor and corresponding illuminance measurement end Mouth 55, weighing port 56 and Current Voltage port 57 are connected, and so that the signal of each external sensor is passed through corresponding ports and transmit It is shown to controller 7, and by display screen 9, it is thus achieved that the extension of the utility model, very convenient.
In addition, being also configured with toggle switch 6 on circuit board 2, toggle switch 6 is electrically connected with controller 7, is used for switching control Device 7 and temperature sensor 51, humidity sensor 52, baroceptor 53, ultrasonic distance-measuring sensor 54, illuminance measurement port 55, it weighs port 56 and Current Voltage port 57 one of them or any several signal interaction.
In the present embodiment, four kinds of measurement patterns are realized by toggle switch 6, be respectively as follows:
Mode 1, controller 7 only receive illuminance port, temperature sensor 51, humidity sensor 52, baroceptor 53 And signal transmitted by clock module 82;
Mode 2, controller 7 only receive signal transmitted by ultrasonic distance-measuring sensor 54;
Mode 3, controller 7 only receive signal transmitted by weighing port 56;
Mode 4, controller 7 only receive signal transmitted by voltage and current port.
User can carry out the switching of mode by toggle switch 6, this implementation is only provided with four kinds of above-mentioned modes.
In addition, being also configured with voice module 81 on circuit board 2, voice module 81 is powered by power supply module 4, voice module 81 It is electrically connected with controller 7, for issuing voice prompting.The model NV020S of voice module 81 in the present embodiment, can be from city Directly purchase, can issue suggestion voice by typing voice and in pattern switching on field, user-friendly, more human nature Change.
In addition, being also configured with clock module 82 on circuit board 2, clock module 82 is powered by power supply module 4, clock module 82 It is electrically connected with controller 7, for providing time signal.In the present embodiment, the model DS3231 of clock module 82, with control Device 7 processed is electrically connected, and controller 7 receives signal transmitted by clock module 82, and the corresponding time is shown on display screen 9, is supplied For checking.
In the present embodiment, power supply module 4, temperature sensor 51, humidity sensor 52, baroceptor 53, ultrasonic wave Distance measuring sensor 54, controller 7, display screen 9, clock module 82, voice module 81, illuminance measurement port 55, weighing port 56 and Current Voltage port 57 be welded on circuit board 2, and the enable end of controller 7 respectively with power supply module 4, temperature sensing Device 51, humidity sensor 52, baroceptor 53, ultrasonic distance-measuring sensor 54, controller 7, display screen 9, clock module 82, Voice module 81, illuminance measurement port 55, weighing port 56 and Current Voltage port 57 are made up of conducting wire to be electrically connected.
In addition, shell 1 includes body 11 and cover board 12, cover board 12 is covered on body 11 and forms a placed cavity 3, cover board It is bolted between 12 and body 11, circuit board 2, which is bolted, is installed on placed cavity 3.
12 corresponding temperature sensor 51 of cover board, humidity sensor 52, baroceptor 53 and display screen 9 position open respectively Equipped with compatible measurement through-hole 120, temperature sensor 51, humidity sensor 52, baroceptor 53 and display screen 9 are pacified respectively Loaded on being in contact at corresponding measurement through-hole 120 and with the external world;The position of the corresponding ultrasonic distance-measuring sensor 54 of body 11 opens up There is compatible measurement through-hole 120, ultrasonic distance-measuring sensor 54 is installed on the measurement through-hole 120 and is in contact with the external world.
The position that body 11 corresponds to illuminance measurement port 55, weighing port 56 and Current Voltage port 57 offers respectively Compatible installation through-hole 110, illuminance measurement port 55, weighing port 56 and Current Voltage port 57 are respectively arranged in correspondence Installation through-hole 110 at and be in contact with the external world.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but As long as all by the protection of Patent Law in the scope of the claims of the utility model.

Claims (6)

1. a kind of multimeter, including shell (1) and the circuit board (2) being installed in shell (1), it is characterised in that: described Circuit board (2) at least be configured with power supply module (4), temperature sensor (51), humidity sensor (52), baroceptor (53), ultrasonic distance-measuring sensor (54), controller (7) and display screen (9);
The power supply module (4) is temperature sensor (51), humidity sensor (52), baroceptor (53), ultrasound It powers away from sensor (54), controller (7) and display screen (9);
The temperature sensor (51) is electrically connected with controller (7), is used for temperature collection signal;
The humidity sensor (52) is electrically connected with controller (7), for acquiring moisture signal;
The baroceptor (53) is electrically connected with controller (7), for acquiring air pressure signal;
The ultrasonic distance-measuring sensor (54) is electrically connected with controller (7), for acquiring and the distance signal of target;
The display screen (9) is electrically connected with controller (7), for receiving signal and the display of controller (7);
The controller (7) respectively with temperature sensor (51), humidity sensor (52), baroceptor (53), ultrasonic wave Distance measuring sensor (54) and display screen (9) electrical connection, for realizing with the temperature sensor (51), humidity sensor (52), the signal interaction of baroceptor (53), ultrasonic distance-measuring sensor (54) and display screen (9);
Described shell (1) corresponding temperature sensor (51), humidity sensor (52), baroceptor (53), ultrasonic distance measurement The position of sensor (54) and display screen (9) offers compatible measurement through-hole (120) respectively.
2. a kind of multimeter according to claim 1, it is characterised in that: also extension is matched on the circuit board (2) It is equipped with illuminance measurement port (55), weighing port (56) and Current Voltage port (57);
The illuminance measurement port (55) is electrically connected with controller (7), is used for external illuminance sensor;
The weighing port (56) is electrically connected with controller (7), is used for external weighing sensor;
The Current Voltage port (57) is electrically connected with controller (7), is used for external impressed current voltage sensor;
The controller (7) is electric with illuminance measurement port (55), weighing port (56) and Current Voltage port (57) respectively Connection, with the signal received from illuminance measurement port (55), weighing port (56) and Current Voltage port (57) transmitting;
The shell (1) corresponds to the position of illuminance measurement port (55), weighing port (56) and Current Voltage port (57) Compatible installation through-hole (110) is offered respectively.
3. a kind of multimeter according to claim 2, it is characterised in that: be also configured on the circuit board (2) Toggle switch (6), the toggle switch (6) are electrically connected with controller (7), are used for switch controller (7) and temperature sensor (51), humidity sensor (52), baroceptor (53), ultrasonic distance-measuring sensor (54), illuminance measurement port (55), title Weight port (56) and Current Voltage port (57) one of them or any several signal interaction.
4. a kind of multimeter according to claim 1, it is characterised in that: be also configured on the circuit board (2) Voice module (81), the voice module (81) are powered by power supply module (4), the voice module (81) and controller (7) it is electrically connected, for issuing voice prompting.
5. a kind of multimeter according to claim 1, it is characterised in that: be also configured on the circuit board (2) Clock module (82), the clock module (82) are powered by power supply module (4), the clock module (82) and controller (7) it is electrically connected, for providing time signal.
6. a kind of multimeter according to claim 1, it is characterised in that: the shell (1) includes body (11) it is covered on body (11) with cover board (12), the cover board (12) and forms a placed cavity (3), the circuit board (2) It is fixedly installed in placed cavity (3).
CN201821713069.9U 2018-10-22 2018-10-22 A kind of multimeter Expired - Fee Related CN208998840U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821713069.9U CN208998840U (en) 2018-10-22 2018-10-22 A kind of multimeter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821713069.9U CN208998840U (en) 2018-10-22 2018-10-22 A kind of multimeter

Publications (1)

Publication Number Publication Date
CN208998840U true CN208998840U (en) 2019-06-18

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ID=66805409

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821713069.9U Expired - Fee Related CN208998840U (en) 2018-10-22 2018-10-22 A kind of multimeter

Country Status (1)

Country Link
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110501944A (en) * 2019-08-21 2019-11-26 东北大学秦皇岛分校 Production of hydrocarbons intelligent monitor system and method based on NB-IoT

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110501944A (en) * 2019-08-21 2019-11-26 东北大学秦皇岛分校 Production of hydrocarbons intelligent monitor system and method based on NB-IoT

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GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20190618

Termination date: 20201022

CF01 Termination of patent right due to non-payment of annual fee