CN112212990A - Clamping temperature measuring device - Google Patents
Clamping temperature measuring device Download PDFInfo
- Publication number
- CN112212990A CN112212990A CN202010965986.1A CN202010965986A CN112212990A CN 112212990 A CN112212990 A CN 112212990A CN 202010965986 A CN202010965986 A CN 202010965986A CN 112212990 A CN112212990 A CN 112212990A
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- Prior art keywords
- temperature
- module
- clamping
- copper bar
- measuring device
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
- G01K7/01—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using semiconducting elements having PN junctions
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/02—Means for indicating or recording specially adapted for thermometers
- G01K1/024—Means for indicating or recording specially adapted for thermometers for remote indication
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/14—Supports; Fastening devices; Arrangements for mounting thermometers in particular locations
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N11/00—Generators or motors not provided for elsewhere; Alleged perpetua mobilia obtained by electric or magnetic means
- H02N11/002—Generators
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
A clamping temperature measuring device comprises a temperature difference power generation module, a temperature sensing module, a controller module and a clamping module; the utility model discloses a temperature difference electricity generation module, including temperature sensing module, power copper bar, clamping module and temperature difference electricity generation module, the temperature difference electricity generation module is used for generating heat the difference in temperature that produces the electric power copper bar and turns into the electric energy and be the power supply of controller module, temperature sensing module is used for responding to the temperature of electric power copper bar and transmits temperature signal to controller module, the controller module is transmitted to outside receiving terminal after handling the conversion with the temperature signal that temperature sensing module transmitted, the clamping module is with the temperature difference electricity generation module, temperature sensing module and controller module form wholly back and are connected with the electric power copper bar, the clamping module has a centre gripping chamber that can supply power copper bar and stretch into, temperature difference electricity generation module and temperature. The clamping temperature measuring device is not influenced by the service life of a battery, is simple in assembly process and is beneficial to operation.
Description
Technical Field
The invention relates to a temperature state detection device for a circuit breaker, in particular to a clamping temperature measuring device.
Background
In low pressure complete set cabinet box, often can be because long-time overload operation or with the power equipment wiring infirm make contact resistance big and cause the local high temperature of electric power copper bar, electric power copper bar high temperature causes power equipment to damage easily and has electric fire risk, consequently need its temperature of real-time supervision so that discover its problem of generating heat in advance.
At present, an intelligent temperature measuring device is generally adopted to monitor an electric copper bar, but the existing intelligent temperature measuring device generally needs to be powered by a battery or to be inductively powered by a current transformer, the two power supply modes have respective defects, the temperature measuring device powered by the battery is influenced by the service life of the battery, once the service life of the battery is close to, the battery or the temperature measuring device needs to be replaced, so that the use is inconvenient, and the cost is increased; adopt current transformer induction to get the electricity, though got rid of battery life's influence and can real-time supervision temperature, nevertheless caused temperature measuring device's volume great, especially the mutual-inductor needs the copper bar to wear the core installation, so the structure makes its assembly that must just carry out temperature measuring device when power equipment is under construction, in case it is comparatively loaded down with trivial details to install its operation after equipment is used.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a clamping temperature measuring device which is simple in structure and convenient to assemble.
In order to achieve the purpose, the invention adopts the following technical scheme:
a clamping temperature measuring device comprises a temperature difference power generation module, a temperature sensing module, a controller module and a clamping module; the utility model discloses a temperature difference electricity generation module, including temperature sensing module, power copper bar, clamping module and temperature difference electricity generation module, the temperature difference electricity generation module is used for generating heat the difference in temperature that produces the electric power copper bar and turns into the electric energy and be the power supply of controller module, temperature sensing module is used for responding to the temperature of electric power copper bar and transmits temperature signal to controller module, the controller module is transmitted to outside receiving terminal after handling the conversion with the temperature signal that temperature sensing module transmitted, the clamping module is with the temperature difference electricity generation module, temperature sensing module and controller module form wholly back and are connected with the electric power copper bar, the clamping module has a centre gripping chamber that can supply power copper bar and stretch into, temperature difference electricity generation module and temperature.
Further, the controller module includes the circuit board integrated power supply circuit, signal conditioning circuit, main processing chip, status indication circuit and wireless communication circuit on the circuit board, power supply circuit is connected with thermoelectric generation module and is used for supplying power for main processing chip, and signal conditioning circuit is connected with temperature sensing module and is used for receiving and to the temperature signal that main processing chip transmission temperature sensing module obtained, and main processing chip carries out the AD sampling with the temperature signal who receives and converts the corresponding measured temperature into and sends to outside receiving terminal by wireless communication circuit again, and status indication circuit is used for instructing the operating condition of main processing chip.
Further, the controller module is arranged on the surface of the clamping module, the temperature difference power generation module and the temperature sensing module are located in the clamping cavity, and the temperature difference power generation module and the temperature sensing module are connected with the controller module through a connecting wire harness.
Further, the thermoelectric generation module includes the thermoelectric generation piece, the surface setting of electric power copper bar is hugged closely to the thermoelectric generation piece for turn into the electric energy with the heat production difference in temperature of electric power copper bar.
Furthermore, the number of the thermoelectric generation pieces is two, the two thermoelectric generation pieces are respectively arranged on the upper surface and the lower surface of the power copper bar, and a series connection structure is formed by connecting wire harnesses in series and is used for supplying power to the controller module; every thermoelectric generation piece all has a high temperature face and a low temperature face, the surface setting of electric power copper bar is hugged closely to the high temperature face, and the low temperature face deviates from the surface of electric power copper bar.
Further, the thermoelectric generation module still includes the fin of setting between thermoelectric generation piece and clamping module, the fin is located between low temperature face and the clamping module for increase the difference in temperature of thermoelectric generation piece.
Further, the temperature sensing module comprises a PN junction temperature sensor, the PN junction temperature sensor is packaged on the high-temperature surface of the thermoelectric generation sheet and is connected with the controller module through a lead wire for transmitting temperature signals, and the PN junction temperature sensor is a power switch with a PN junction.
Further, the clamping module comprises a clamping piece consisting of two insulating clamping plates and a spring, one end of each insulating clamping plate is connected with the spring, the spring is used for providing clamping elasticity for the clamping piece, a clamping cavity is formed between the two insulating clamping plates, an installation cavity used for installing the controller module is arranged on one insulating clamping plate, and a connecting hole is formed between the installation cavity and the clamping cavity.
Further, be provided with the mounting on the holder, the mounting runs through the setting on the holder and can stretch into the centre gripping intracavity and be used for making thermoelectric generation module be fixed in the surface of electric power copper bar.
Further, an insulating handle is arranged on the clamping piece, the insulating handle is sleeved on one end of the clamping piece and used for operating the clamping piece, and the insulating handle is made of flexible insulating materials.
According to the clamping temperature measuring device, the temperature difference generated by heating of the electric copper bar is converted into electric energy through the temperature difference generating module to supply power to the controller module, the controller module processes and converts the temperature transmitted by the temperature sensing module and transmits the converted temperature to the external receiving terminal, the electric energy is generated by utilizing the temperature difference of the electric copper bar, the use of a battery is avoided, the influence of the service life of the battery is avoided, the temperature difference generating module, the temperature sensing module and the controller module are integrally clamped on the electric copper bar through the clamping module, the assembling process is simple, the operation is facilitated, and the quick assembly and the ready-to-use after the assembling are realized.
In addition, the thermoelectric generation module includes thermoelectric generation piece and fin, and the thermoelectric generation piece utilizes the difference in temperature production electric energy of electric power copper bar, and the fin is used for strengthening the difference in temperature of thermoelectric generation piece, does benefit to the thermoelectric generation piece and produces the electric energy.
In addition, the temperature sensing module adopts a PN joint temperature sensor, and utilizes the temperature linear characteristic of a PN junction to measure temperature, so that the temperature sensing module is accurate and is beneficial to reducing the cost of the device.
In addition, the clamping piece is constituteed by insulating splint and spring to the clamping module, does benefit to and installs whole device on the electric power copper bar, has realized that the dress is immediately used, and the operation is convenient.
Drawings
FIG. 1-2 is a schematic structural view of a clamping temperature measuring device according to the present invention;
FIG. 3 is a schematic diagram of a controller module of a clamping temperature measuring device according to the present invention;
FIG. 4 is a schematic diagram of a thermoelectric generation module holding a temperature measuring device according to the present invention.
Detailed Description
The following describes a clamping temperature measuring device according to an embodiment of the present invention with reference to fig. 1 to 4. A clamping thermometric device of the present invention is not limited to the description of the embodiments below.
A clamping temperature measuring device comprises a temperature difference power generation module, a temperature sensing module, a controller module 7 and a clamping module; the thermoelectric generation module is used for generating heat the difference in temperature that produces electric power copper bar a and turns into the electric energy and supply power for controller module 7, temperature sensing module is used for responding to electric power copper bar a's temperature and transmits temperature signal to controller module 7, controller module 7 transmits to outside receiving terminal after handling the conversion with the temperature signal that temperature sensing module transmitted, the clamping module is with thermoelectric generation module, temperature sensing module and controller module 7 form wholly after be connected with electric power copper bar a, the clamping module has a centre gripping chamber 31 that can supply electric power copper bar a and stretch into, thermoelectric generation module and temperature sensing module are located centre gripping chamber 31 and are fixed in electric power copper bar a's surface in the effect of clamping module.
According to the clamping temperature measuring device, the temperature difference generated by heating of the electric copper bar a is converted into electric energy through the temperature difference generating module to supply power to the controller module 7, the controller module 7 processes and converts the temperature transmitted by the temperature sensing module and then transmits the temperature to the external receiving terminal, the electric energy is generated by utilizing the temperature difference of the electric copper bar a, the use of a battery is avoided, the influence of the service life of the battery is avoided, the temperature difference generating module, the temperature sensing module and the controller module 7 are integrally formed through the clamping module and then clamped on the electric copper bar a, the assembling process is simple, the operation is facilitated, and the quick assembly and the instant use after the assembling are realized.
An embodiment is provided by combining fig. 1-4, and a clamping temperature measuring device for an electric power copper bar comprises a temperature difference power generation module, a temperature sensing module, a controller module 7 and a clamping module. Referring to fig. 1 and 2, the clamping module preferably comprises two insulating clamping plates 3 and a spring 4 to form a clamping piece, a clamping cavity 31 into which an electric power copper bar a can extend is formed between the two insulating clamping plates 3, the thermoelectric generation module and the temperature sensing module are arranged in the clamping cavity 31 and connected with the electric power copper bar a, an installation cavity (not shown in the figure) for installing the controller module 7 is formed in one of the insulating clamping plates 3, and the clamping module is used for installing the thermoelectric generation module, the temperature sensing module and the controller module 7 on the electric power copper bar a after forming a whole.
The thermoelectric generation module is used for generating heat the thermoelectric conversion that produces electric power copper bar an and is the power supply of controller module 7, the thermoelectric generation module includes that two set up thermoelectric generation pieces 1 on surface about electric power copper bar an respectively, two thermoelectric generation pieces 1 form the series structure through series connection pencil 13, every thermoelectric generation piece 1 is integrated by a plurality of electricity generation PN knot 11 (see figure 4), and every thermoelectric generation piece 1 all includes high temperature face and low temperature face, wherein the high temperature face is hugged closely electric power copper bar an and is set up the heat that is used for responding to electric power copper bar a and produce, the low temperature face deviates from electric power copper bar a and is used for forming the difference in temperature with the high temperature face. The preferred thermoelectric generation module still includes fin 2, and fin 2 is used for increasing thermoelectric generation piece 1's difference in temperature, does benefit to thermoelectric generation piece 1 and produces the electric energy, fin 2 sets up between thermoelectric generation piece 1 and insulating splint 3, specifically sets up fin 2 at thermoelectric generation piece 1's low temperature face and through rivet and the insulating splint 3 fixed connection of clamping module.
The temperature sensing module is used for sensing the temperature of the power copper bar a and transmitting a temperature signal to the controller module 7, the temperature sensing module comprises a PN junction temperature sensor 12, and the PN junction temperature sensor 12 is preferably packaged on the high-temperature surface of the thermoelectric generation piece 1 and is connected with the controller module 7 through a lead wire to transmit the temperature signal. In this embodiment, the PN junction temperature sensor 12 is a power switch with a PN junction, and may specifically be a power switch such as a diode, a triode, or a thyristor with a PN junction, and the temperature is measured by using the temperature linearity of the PN junction, which is not only accurate, but also beneficial to reducing the cost of the device. As shown in fig. 4, a PN junction temperature sensor 12 isolated from the power generation PN junction 11 is integrated on the thermoelectric generation sheet 1, the power generation PN junction 11 is connected with the controller module 7 through a power line, and the PN junction temperature sensor is connected with the controller module 7 through a signal line, so that the overall structure has the advantages of small occupied space and sensitive temperature sensing.
The controller module 7 is arranged in the mounting cavity of the clamping piece, the controller module 7 comprises a circuit board arranged inside the controller module 7, a connecting hole is preferably arranged in a mounting groove for mounting the controller module 7 and is used for penetrating a connecting wire harness 14, and the connecting wire harness 14 is used for connecting the controller module 7 with the temperature difference power generation module and the temperature sensing module. The circuit board is integrated with a power circuit, a signal conditioning circuit, a main processing chip, a state indicating circuit and a wireless communication circuit, the power circuit is connected with the temperature difference generating module and used for supplying power to the main processing chip, the signal conditioning circuit is connected with the temperature sensing module and used for receiving and transmitting a temperature signal obtained by the temperature sensing module to the main processing chip, the main processing chip performs A/D sampling on the received temperature signal and converts the temperature signal into a corresponding measured temperature, and then the measured temperature is sent to an external receiving terminal by the wireless communication circuit, the state indicating circuit is used for indicating the working state of the main processing chip and controlling the state indicating lamp which is used for indicating the working power state and the temperature state of the power copper bar a, for example, when the working power state is normal, the state indicating lamp is on, when the working power state is abnormal, the status indicator light is not on; set for the normal temperature scope of electric power copper bar a on state indicating circuit, be in normal temperature within range when electric power copper bar a, the status indicator lamp is green lamp, and outside electric power copper bar a exceeded normal temperature scope, the status indicator lamp was the red light.
As a further optimization of the clamping module, preferably as shown in fig. 1 and 2, a fixing member 5 and an insulating handle 6 are arranged on the clamping member, the fixing member 5 is arranged on one side close to the clamping cavity 31, the insulating handle 6 is sleeved on one end of the clamping member provided with the spring 4 for operating the clamping member, and the insulating handle 6 is made of a flexible insulating material. The utility model discloses a power copper bar a, including mounting 5, the setting is passed through the setting on the holder and can stretch into in the centre gripping chamber 31 and be used for making the thermoelectric generation module be fixed in the surface of power copper bar a, in this embodiment, this kind of mounting 5 is for wearing to locate the rivet on insulating splint 3, the rivet can be with the thermoelectric generation piece 1 and the fin 2 and the insulating splint 3 fixed connection of the thermoelectric generation module, during the assembly make the holder centre gripping on power copper bar a through operation insulated handle 6 can, provide the packing force through spring 4, thermoelectric generation module, temperature sensing module and controller module 7 are directly connected with power copper bar a and are taken one's place this moment, assemble through the mode of centre gripping, and easy operation realizes fast assembly and install promptly and use.
The foregoing is a more detailed description of the invention in connection with specific preferred embodiments and it is not intended that the invention be limited to these specific details. For those skilled in the art to which the invention pertains, several simple deductions or substitutions can be made without departing from the spirit of the invention, and all shall be considered as belonging to the protection scope of the invention.
Claims (10)
1. The utility model provides a centre gripping temperature measuring device which characterized in that: the device comprises a temperature difference power generation module, a temperature sensing module, a controller module (7) and a clamping module; the utility model discloses a temperature difference power generation module, including temperature difference power generation module, controller module (7), clamping module and temperature sensing module, the temperature difference power generation module is used for generating heat the difference in temperature that produces electric power copper bar (a) turns into the electric energy and supplies power for controller module (7), temperature sensing module is used for responding to the temperature of electric power copper bar (a) and transmits temperature signal to controller module (7), controller module (7) transmit to outside receiving terminal after handling the conversion with the temperature signal that temperature sensing module transmitted, the clamping module is with the temperature difference power generation module, temperature sensing module and controller module (7) form wholly after be connected with electric power copper bar (a), the clamping module has one can supply power clamping chamber (31) that electric power copper bar (a) stretched into, temperature difference power generation module and temperature sensing module are located clamping chamber (31) and are fixed in the surface of electric power copper bar (a.
2. The clamping temperature measuring device as claimed in claim 1, wherein: controller module (7) includes the circuit board integrated power supply circuit, signal conditioning circuit, main processing chip, status indication circuit and wireless communication circuit on the circuit board, power supply circuit is connected with thermoelectric generation module and is used for supplying power for main processing chip, and signal conditioning circuit is connected with temperature sensing module and is used for receiving and to the temperature signal that main processing chip transmission temperature sensing module obtained, and main processing chip carries out AD sampling with the temperature signal who receives and converts the measured temperature that corresponds to send to outside receiving terminal by wireless communication circuit again, and status indication circuit is used for instructing the operating condition of main processing chip.
3. The clamping temperature measuring device as claimed in claim 2, wherein: the controller module (7) is arranged on the surface of the clamping module, the temperature difference power generation module and the temperature sensing module are located in the clamping cavity (31), and the temperature difference power generation module and the temperature sensing module are connected with the controller module (7) through a connecting wire harness (14).
4. The clamping temperature measuring device as claimed in claim 1, wherein: the thermoelectric generation module includes thermoelectric generation piece (1), the surface setting of electric power copper bar (a) is hugged closely in thermoelectric generation piece (1) for turn into the electric energy with the heat production difference in temperature of electric power copper bar (a).
5. The clamping temperature measuring device as claimed in claim 4, wherein: the number of the thermoelectric generation pieces (1) is two, the two thermoelectric generation pieces (1) are respectively arranged on the upper surface and the lower surface of the power copper bar (a) and form a series structure through a series wiring harness (13) to supply power to the controller module (7); every thermoelectric generation piece (1) all has a high temperature face and a low temperature face, the surface setting of electric power copper bar (a) is hugged closely to the high temperature face, and the low temperature face deviates from the surface of electric power copper bar (a).
6. The clamping temperature measuring device of claim 5, wherein: the thermoelectric generation module is characterized by further comprising radiating fins (2) arranged between the thermoelectric generation piece (1) and the clamping module, wherein the radiating fins (2) are located between the low-temperature surface and the clamping module and used for increasing the temperature difference of the thermoelectric generation piece (1).
7. The clamping temperature measuring device of claim 5, wherein: the temperature sensing module comprises a PN junction temperature sensor (12), the PN junction temperature sensor (12) is packaged on the high-temperature surface of the thermoelectric generation sheet (1) and is connected with the controller module (7) through a lead wire for transmitting a temperature signal, and the PN junction temperature sensor (12) is a power switch with a PN junction.
8. The clamping temperature measuring device as claimed in claim 1, wherein: the clamping module comprises a clamping piece consisting of two insulating clamping plates (3) and a spring (4), one end of each insulating clamping plate (3) is connected with the spring (4), the spring (4) is used for providing clamping elasticity for the clamping piece, a clamping cavity (31) is formed between the two insulating clamping plates (3), an installation cavity for installing the controller module (7) is formed in one of the insulating clamping plates (3), and a connecting hole is formed between the installation cavity and the clamping cavity (31).
9. The clamping temperature measuring device of claim 8, wherein: be provided with mounting (5) on the holder, mounting (5) run through the setting on the holder and can stretch into in centre gripping chamber (31) and be used for making thermoelectric generation module be fixed in the surface of electric power copper bar (a).
10. The clamping temperature measuring device of claim 8, wherein: an insulating handle (6) is arranged on the clamping piece, the insulating handle (6) is sleeved on the operating clamping piece for one end of the clamping piece, and the insulating handle (6) is made of flexible insulating materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010965986.1A CN112212990A (en) | 2020-09-15 | 2020-09-15 | Clamping temperature measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010965986.1A CN112212990A (en) | 2020-09-15 | 2020-09-15 | Clamping temperature measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112212990A true CN112212990A (en) | 2021-01-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010965986.1A Pending CN112212990A (en) | 2020-09-15 | 2020-09-15 | Clamping temperature measuring device |
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| CN (1) | CN112212990A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112713811A (en) * | 2021-01-14 | 2021-04-27 | 深圳第三代半导体研究院 | Portable thermoelectric temperature difference power generation device and application thereof |
-
2020
- 2020-09-15 CN CN202010965986.1A patent/CN112212990A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112713811A (en) * | 2021-01-14 | 2021-04-27 | 深圳第三代半导体研究院 | Portable thermoelectric temperature difference power generation device and application thereof |
| CN112713811B (en) * | 2021-01-14 | 2022-02-15 | 深圳第三代半导体研究院 | Portable thermoelectric temperature difference power generation device and application thereof |
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