CN211147856U - Temperature detection device - Google Patents
Temperature detection device Download PDFInfo
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- CN211147856U CN211147856U CN201922340108.6U CN201922340108U CN211147856U CN 211147856 U CN211147856 U CN 211147856U CN 201922340108 U CN201922340108 U CN 201922340108U CN 211147856 U CN211147856 U CN 211147856U
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Abstract
The utility model provides a temperature detection device, it includes: a protective housing; the protection casing is internally provided with a circuit board installation shell and a circuit module arranged in the circuit board installation shell, a bottom plate of the circuit board installation shell forms a tapered supporting shell along the longitudinal direction of the circuit board installation shell, and the supporting shell is provided with a plurality of infrared detectors which are respectively in communication connection with the circuit module, so that the plurality of infrared detectors are controlled by the circuit module to respectively collect temperature data. The protective shell is a spherical body with an opening, the opening is covered with a protective cover, and the circuit board mounting shell is fixedly connected with the protective cover. The utility model discloses a temperature-detecting device has simplified the structure of whole device under the condition that the realization was carried out temperature detection to different temperature check points simultaneously to be convenient for install and dismantle.
Description
Technical Field
The utility model relates to a temperature detect field especially relates to a temperature-detecting device.
Background
In various application fields, certain requirements are put on the corrosion resistance of parts, and a neutral salt spray test is a common detection method. The temperature is one of core parameters influencing the testing process, the distribution condition of the temperature in the space of the salt spray test box body directly influences the testing process, the testing result is further influenced, the evaluation on the corrosion performance of the product is finally influenced, and the testing result and the evaluation are directly influenced. The existing temperature detection device is also used in a neutral salt spray test, but the general structure is more complex, and the installation and the disassembly are inconvenient.
In view of the above, there is a need for an improved temperature detecting device in the prior art to solve the above problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a temperature-detecting device for carry out the structure of simplifying whole device under the condition that temperature detected to different temperature detection point simultaneously in the realization, and be convenient for install and dismantle.
To achieve the above object, the present invention is implemented as follows:
the utility model provides a temperature detection device, include:
a protective housing;
a circuit board mounting shell and a circuit module arranged in the circuit board mounting shell are arranged in the protective shell, a base plate of the circuit board mounting shell forms a tapered supporting shell along the longitudinal direction of the circuit board mounting shell, and a plurality of infrared detectors which are respectively in communication connection with the circuit module are mounted on the supporting shell so as to control the plurality of infrared detectors to acquire temperature data through the circuit module;
the protective housing is a spherical body with an opening, the opening is covered with a protective cover, and the circuit board mounting shell is fixedly connected with the protective cover.
As a further improvement, the bottom plate of the circuit board mounting shell is formed with a connecting through hole, the infrared detector passes through the connecting through hole with circuit module links to each other.
As a further improvement, the lateral wall of the supporting shell is evenly provided with a plurality of mounting holes along the axis direction thereof, and a plurality of infrared detectors are respectively and correspondingly installed in the plurality of mounting holes.
As a further improvement of the present invention, the number of the infrared detectors is seven;
six mounting holes are uniformly arranged on the side wall of the supporting shell along the axis direction of the side wall, one mounting hole is arranged at the bottom of the supporting shell, six infrared detectors are respectively installed in the six mounting holes in the side wall of the supporting shell, and one infrared detector is installed in the mounting hole in the bottom of the supporting shell.
As a further improvement of the present invention, the circuit module includes: the controller is in communication connection with the infrared detector, and the wireless transmitting and receiving device is in communication connection with the controller;
the wireless transceiver is used for receiving a control signal sent by a user side and sending the control signal to the controller;
the controller is used for controlling the infrared detector to collect temperature data based on the control signal and sending the temperature data to the user side through the wireless transmitting and receiving device.
As a further improvement, the controller includes data receiving terminal and data sending terminal, the data receiving terminal with the data sending terminal respectively with wireless transceiver's signal reception end and signal sending terminal communication connection.
As a further improvement, the controller includes two data control ends, two data control ends respectively with two level control ends of infrared detector correspond communication connection.
As a further improvement, two level control ends of the infrared detector are respectively connected with a current-limiting resistor, and the two level control ends are respectively passed through the current-limiting resistor is connected with a power supply.
As a further improvement of the utility model, the controller is connected with a crystal oscillator circuit and a reset circuit;
the crystal oscillator circuit is composed of quartz crystal oscillators connected in parallel to two crystal oscillator ends of the controller and crystal oscillator capacitors respectively connected to the two crystal oscillator ends, wherein the second ends of the two crystal oscillator capacitors are both connected to a ground terminal, the first ends of the two crystal oscillator capacitors are both end parts of the two crystal oscillator capacitors connected with the quartz crystal oscillator, and the second ends are opposite to the first ends;
the reset circuit is composed of a capacitor connected between the reset end of the controller and the power supply and a resistor connected between the reset end of the controller and the grounding end.
The utility model has the advantages that:
the utility model discloses a temperature-detecting device is through the circuit module of configuration in the circuit board installation shell and install a plurality of infrared detector communication connection on the support shell, realizes that a plurality of infrared detector of circuit module simultaneous control carry out the purpose of gathering to temperature data. Therefore, the utility model discloses temperature-detecting device simple structure, the installation is convenient with the dismantlement, and can detect the temperature of a plurality of temperature check points through a plurality of infrared detector simultaneously to accord with the national standard requirement. And, the utility model discloses a protective housing's effect can reduce temperature-detecting device's fault probability to improve temperature-detecting device's stability.
Furthermore, the utility model discloses a temperature-detecting device passes through the controller control infrared detector in the circuit module and gathers temperature data to pass through wireless transmission transceiver with the temperature data that detect and feed back to the user side, thereby not only can realize that the user end carries out real time monitoring's purpose to the temperature measurement process, can simplify the record procedure to the temperature measurement point moreover, in order to reduce the influence of record process to the temperature measurement process.
Drawings
Fig. 1 is a schematic structural view of a temperature detection device according to an embodiment of the present invention;
FIG. 2 is a schematic exploded view of the temperature sensing device of FIG. 1;
FIG. 3 is a block diagram showing a schematic structure of a temperature detection device;
fig. 4 is a schematic circuit diagram of a controller in a circuit module according to an embodiment of the present invention;
fig. 5 is a schematic circuit diagram of a wireless transceiver in a circuit module according to an embodiment of the present invention;
fig. 6 is a schematic circuit diagram of an infrared detector according to an embodiment of the present invention;
fig. 7 is a schematic circuit diagram of a temperature detection device according to an embodiment of the present invention.
Detailed Description
The present invention is described in detail with reference to the embodiments shown in the drawings, but it should be understood that these embodiments are not intended to limit the present invention, and those skilled in the art should understand that the functions, methods, or structural equivalents or substitutions made by these embodiments are within the scope of the present invention.
The technical solutions provided by the embodiments of the present invention are described in detail below with reference to the accompanying drawings.
Please refer to fig. 1 to 2, which are schematic structural diagrams of the temperature detecting device of the present invention.
The embodiment of the utility model provides a temperature-detecting device, include: a protective casing 10 a; the protection housing 10a is configured with a circuit board mounting shell 20 and a circuit module 30 configured in the circuit board mounting shell 20, a bottom plate 201 of the circuit board mounting shell 20 forms a tapered supporting shell 40 along a longitudinal direction of the circuit board mounting shell 20, and a plurality of infrared detectors 50 respectively connected with the circuit module 30 in a communication manner are mounted on the supporting shell 40, so as to control the plurality of infrared detectors 50 to respectively collect temperature data through the circuit module 30. The bottom plate 201 of the circuit board mounting case 20 is formed with a connection through-hole 21, and the infrared detector 50 is connected to the circuit module 30 through the connection through-hole 21.
Wherein, the top of the protective casing 10a is covered with a protective cover 10b, and the circuit board mounting case 20 is fixedly connected with the protective cover 10 b. The protective cover 10b is made of a material having corrosion resistance, and the protective housing 10a is made of a material (e.g., an infrared-only glass material) having infrared transparency and corrosion resistance. On the premise of ensuring that the infrared signal emitted by the infrared detector 50 in the protective casing 10a can penetrate through the protective casing 10a, the influence of the external corrosive environment on the infrared detector and other structures in the protective casing 10a, such as the circuit module 30, can be prevented by the sealed connection between the protective casing 10a and the protective cover 10 b.
The protective casing 10a is a spherical body having an opening 101, the circuit board mounting case 20 configured with the circuit module 30, and the supporting case 40 fixedly connected (or integrally connected) with the circuit board mounting case 20 and mounted with the infrared detector 50, can be mounted in the protective casing 10a from the opening 101, and is covered at the opening 101 of the protective casing 10a through the protective cover 10b to seal the protective casing 10a, so that each component configured in the protective casing 10a is not affected by the external testing environment, and the purpose of preventing the external corrosion environment from affecting the infrared detector and other structures in the protective casing 10a, such as the circuit module 30, is achieved.
The utility model discloses temperature-detecting device is through configuration circuit module 30 in circuit board installation shell 20 and install a plurality of infrared detector 50 communication connection on supporting shell 40, realizes that circuit module 30 controls a plurality of infrared detector 50 simultaneously and carries out the purpose of gathering to temperature data. Therefore, the utility model discloses temperature-detecting device simple structure is convenient for install and dismantle temperature-detecting device, and can detect the temperature of a plurality of temperature check points through a plurality of infrared detector 50 simultaneously to accord with the requirement of national standard GB/T10587-2006. Furthermore, the embodiment of the present invention can reduce the failure probability of the temperature detection device through the protection housing 10a and the protection cover 10b, so as to improve the stability of the temperature detection device.
The temperature requirements of national standard GB/T10587-2006 (technical conditions of salt spray test box) are as follows: the test temperature and deviation are 35 ℃ +/-2 ℃, and the temperature fluctuation is not more than 1 ℃. The requirements for the temperature measurement process are: if the working volume of the salt fog box is not more than 2m3And 9 test points are required to be arranged according to requirements, and the test points are positioned near 8 vertexes and the volume center of a cuboid. If the working volume of the salt fog box is 2-10 m3In the process, 15 test points need to be arranged, and the specific arrangement mode refers to national standard GB/T10587-2006. When the temperature of the central point reaches the specified value and is stable for 2 hours, the temperature is recorded for every measurement point every 1min, and each measurement point needs to be recorded for 30 times.
Note that, the side wall of the support case 40 is uniformly provided with a plurality of mounting holes 41a along the axial direction thereof, and the plurality of infrared detectors 50 are respectively mounted in the plurality of mounting holes 41a correspondingly. Specifically, the number of the infrared detectors 50 may be set. Six mounting holes 41a are uniformly arranged in the side wall of the support case 40 along the axial direction thereof, one mounting hole 41b is arranged in the bottom 401 of the support case 40, six infrared detectors 50 are respectively mounted in the six mounting holes in the side wall of the support case 40, and one infrared detector 50 is mounted in the mounting hole 41b in the bottom 401 of the support case 40. The side wall of the supporting shell 40 may be formed by splicing six trapezoidal wall surfaces, a mounting hole 41a is formed in the center of each trapezoidal wall surface to mount the infrared detector 50 in each mounting hole 41a, and a mounting hole 41b is formed in the bottom 401 surrounded by the six trapezoidal wall surfaces to mount the infrared detector 50. In this way, when the temperature detection device is placed in an environment to be detected, the temperatures of the seven temperature detection points can be simultaneously detected by the seven infrared detectors due to the arrangement of the arrangement structure. Therefore, the requirement of national standard GB/T10587-2006 on temperature detection can be met.
Wherein, the number of mounting holes can be set according to specific actual requirements to confirm the number of the infrared detectors 50 to be mounted, thereby satisfying the requirement for the number of temperature detection points in the experiment.
In the above embodiment, as described with reference to fig. 3 to 6, the circuit module 30 includes: a controller 60 communicatively coupled to the infrared detector 50, and a wireless transceiver 70 communicatively coupled to the controller 60. The wireless transceiver 70 is configured to receive a control signal sent by the user terminal 80, and send the control signal to the controller 60; the controller 60 is configured to control the infrared detector 50 to collect temperature data based on the control signal, and transmit the temperature data to the user terminal 80 through the wireless transceiver 70.
The utility model discloses temperature-detecting device passes through controller 60 control infrared detector 50 in the circuit module 30 and gathers temperature data to pass through wireless transceiver 70 with the temperature data who detects and feed back to user side 80, thereby not only can realize that the user terminal carries out real time monitoring's purpose to the temperature measurement process, can simplify the record procedure to the temperature measurement point moreover, in order to reduce the influence of record process to the temperature measurement process. Moreover, the controller 60 and the wireless transceiver 70 in the circuit module 30 are designed in a modular manner, so that when the circuit module 30 fails, each module in the circuit module 30 can be detected separately, thereby effectively determining the failure point existing in the circuit module 30 and facilitating the replacement of the controller 60 or the wireless transceiver 70 or the infrared detector 50.
The controller 60 is exemplified as a single chip microcomputer AT89C51, and the wireless transceiver 70 is exemplified as a WIRE L ESS, the controller 60 includes a data receiving terminal P3.0/RXD (pin 10) and a data transmitting terminal P3.1/TXD (pin 11), the data receiving terminal P3.0/RXD (pin 10) and the data transmitting terminal P3.1/TXD (pin 11) are respectively in communication connection with a signal receiving terminal RXD (pin 5) and a signal transmitting terminal TXD (pin 4) of the wireless transceiver 70, the controller 60 includes a data control terminal P1.3 (pin 4) and a data control terminal P1.4 (pin 5), the data control terminal P1.3 (pin 4) is in communication connection with a level control terminal SDA (pin 1) of the infrared detector 50, the data control terminal P1.4 (pin 5) is in communication connection with a level control terminal S L C (pin 2) of the infrared detector 50, the level control terminal P1.3 (pin 4) of the infrared detector 50 is in communication connection with a SDA 63, the level control terminal R675 is in connection with a current limiting resistor R35V 7, a current limiting resistor R865, and a current limiting resistor R5634, wherein the infrared detector 50 is in connection with a current limiting resistor R35V resistor R7, a current limiting resistor R5634, a current limiting resistor R7 resistor, a current limiting resistor.
The controller 60 is connected with a crystal oscillator circuit 61 and a reset circuit 62, the crystal oscillator circuit 61 is composed of a quartz crystal oscillator X1 (the crystal oscillator frequency is 12MHz) connected in parallel with a crystal oscillator end XTA L1 (pin 19) and a crystal oscillator end XTA L2 (pin 18) of the controller 60, and crystal oscillator capacitors (the crystal oscillator capacitor C1 and the crystal oscillator capacitor C2) connected to two ends of the quartz crystal oscillator X1 respectively, the crystal oscillator capacitors C1 and the crystal oscillator capacitor C2 have capacitance sizes of 22 pf., wherein the second ends of the two crystal oscillator capacitors are both connected to the ground terminal, the first ends of the two crystal oscillator capacitors are both ends connected to the quartz crystal oscillator X1, the second ends are opposite to the first ends, the reset circuit 62 is composed of a capacitor C3(10uf) connected between a reset end RST (pin 9) of the controller 60 and a power supply (5V), and a resistor R1(10 k) connected between the reset end RST (pin 9) of the controller 60 and the ground terminal.
As shown in FIG. 7, seven infrared detectors 50 (i.e., IR 1-IR 7) are used to communicate with the data receiving terminal P3.0/RXD (pin 10) and the data transmitting terminal P3.1/TXD (pin 11) of the controller 60, respectively. And, seven infrared detectors 50 are respectively installed in six installation holes 41a of the side wall of the support case 40 and one installation hole 41b of the bottom 401 of the support case 40, so as to respectively detect temperature data of a specified position in an environment to be measured (such as a salt spray test chamber) through the seven infrared detectors 50.
It should be understood that the user may control the infrared detector 50 through the user terminal 80. The utility model discloses temperature-detecting device receives the control signal that user terminal 80 sent (like collection frequency, the start time, signals such as finish time) through wireless transceiver 70 after, (through the UART agreement) with control signal transmission to controller 60, then controller 60 sends control signal analysis back (through the I2C agreement) for infrared detector 50, with the temperature data of control infrared detector 50 collection temperature detection point department, and send the temperature data who detects for controller 60, controller 60 then sends the temperature data processing back skull UART agreement that receives for wireless transceiver 70, with give user terminal 80 with the temperature data feedback through wireless transceiver 70. Therefore, the purpose of real-time monitoring of the user side 80 on the temperature detection process can be achieved through a wireless data transmission mode, and the recording procedure of the temperature detection points can be simplified, so that the influence of the recording process on the temperature detection process is reduced.
The utility model discloses temperature-detecting device can be used to the detection of neutral salt fog test process and detect application scenes such as evaluation analysis of structure.
The above list of details is only for the practical implementation of the present invention, and they are not intended to limit the scope of the present invention, and all equivalent implementations or modifications that do not depart from the technical spirit of the present invention should be included in the scope of the present invention.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented 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. Any reference sign in a claim should not be construed as limiting the claim concerned.
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 (9)
1. A temperature detection device, comprising:
a protective housing;
a circuit board mounting shell and a circuit module arranged in the circuit board mounting shell are arranged in the protective shell, a base plate of the circuit board mounting shell forms a tapered supporting shell along the longitudinal direction of the circuit board mounting shell, and a plurality of infrared detectors which are respectively in communication connection with the circuit module are arranged on the supporting shell so as to control the plurality of infrared detectors to respectively acquire temperature data through the circuit module;
the protective housing is a spherical body with an opening, the opening is covered with a protective cover, and the circuit board mounting shell is fixedly connected with the protective cover.
2. The temperature detecting apparatus according to claim 1,
and a connecting through hole is formed on the bottom plate of the circuit board mounting shell, and the infrared detector is connected with the circuit module through the connecting through hole.
3. The temperature detection apparatus according to claim 1 or 2,
the lateral wall of support shell has evenly arranged a plurality of mounting holes along its axis direction, and a plurality of infrared detector correspond respectively and install in a plurality of mounting holes.
4. The temperature detecting apparatus according to claim 3,
the number of the infrared detectors is seven;
six mounting holes are uniformly arranged on the side wall of the supporting shell along the axis direction of the side wall, one mounting hole is arranged at the bottom of the supporting shell, six infrared detectors are respectively installed in the six mounting holes in the side wall of the supporting shell, and one infrared detector is installed in the mounting hole in the bottom of the supporting shell.
5. The temperature sensing device of claim 1, wherein the circuit module comprises: the controller is in communication connection with the infrared detector, and the wireless transmitting and receiving device is in communication connection with the controller;
the wireless transceiver is used for receiving a control signal sent by a user side and sending the control signal to the controller;
the controller is used for controlling the infrared detector to collect temperature data based on the control signal and sending the temperature data to the user side through the wireless transmitting and receiving device.
6. The temperature detecting apparatus according to claim 5,
the controller comprises a data receiving end and a data sending end, and the data receiving end and the data sending end are respectively in communication connection with a signal receiving end and a signal sending end of the wireless transceiver.
7. The temperature detecting apparatus according to claim 5,
the controller comprises two data control ends, and the two data control ends are respectively in corresponding communication connection with the two level control ends of the infrared detector.
8. The temperature detecting apparatus according to claim 7,
two level control ends of the infrared detector are respectively connected with a current-limiting resistor, and the two level control ends are respectively connected with a power supply through the current-limiting resistor.
9. The temperature detecting apparatus according to any one of claims 5 to 8,
the controller is connected with a crystal oscillator circuit and a reset circuit;
the crystal oscillator circuit is composed of quartz crystal oscillators connected in parallel to two crystal oscillator ends of the controller and crystal oscillator capacitors respectively connected to the two crystal oscillator ends, wherein the second ends of the two crystal oscillator capacitors are both connected to a ground terminal, the first ends of the two crystal oscillator capacitors are both end parts of the two crystal oscillator capacitors connected with the quartz crystal oscillator, and the second ends are opposite to the first ends;
the reset circuit is composed of a capacitor connected between the reset end of the controller and the power supply and a resistor connected between the reset end of the controller and the grounding end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922340108.6U CN211147856U (en) | 2019-12-24 | 2019-12-24 | Temperature detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922340108.6U CN211147856U (en) | 2019-12-24 | 2019-12-24 | Temperature detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211147856U true CN211147856U (en) | 2020-07-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922340108.6U Active CN211147856U (en) | 2019-12-24 | 2019-12-24 | Temperature detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211147856U (en) |
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2019
- 2019-12-24 CN CN201922340108.6U patent/CN211147856U/en active Active
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Effective date of registration: 20201209 Address after: Room 6324, building 1, no.225 Xinggong Road, Tinglin Town, Jinshan District, Shanghai, 201505 Patentee after: Shanghai Tongcheng Enterprise Management Co.,Ltd. Address before: No.8 Xinxi Road, Wuxi New District, Wuxi City, Jiangsu Province Patentee before: WUXI PROFESSIONAL College OF SCIENCE AND TECHNOLOGY |