A temperature sensor rapid detection device

Abstract

The utility model provides a kind of temperature sensor rapid detection device, including a shell, the front side of the shell is provided with first temperature display device and second temperature display device, a standard temperature sensor is provided outside the shell, the output of the standard temperature sensor is connected with the input of first temperature display device Circuit, the front side of the shell is provided with the plug-in port for being connected with the output of measured temperature sensor, and the plug-in port is connected with the input of second temperature display device Circuit.The utility model can display by first temperature display device and second temperature display device side by side, the measured value of measured temperature sensor can be compared with the measured value of standard temperature sensor, the state of measured temperature sensor is quickly identified, whether the temperature difference of the temperature value of standard temperature sensor and measured temperature sensor is within quality requirement is judged, so as to judge whether measured temperature sensor is qualified.

Description

Technical Field

[0001] This utility model relates to the field of electrical engineering, and in particular to the quality detection technology of temperature sensors, especially a rapid detection device for temperature sensors. Background Technology

[0002] Thermocouple temperature sensors are often installed at the air inlet and outlet of the cooler, but the cooler does not have a display device, so it is impossible to know whether the thermocouple is working properly.

[0003] In the current technology, there is a lack of equipment that can quickly detect whether the RTD temperature sensor is effective. Therefore, the cooler manufacturing plant cannot test the RTD temperature sensor before it is put into the production line. As a result, some cooler products are only found to have abnormalities such as temperature sensor failure and excessive temperature error after they are installed at the user's site and connected to the central control equipment. Summary of the Invention

[0004] The purpose of this invention is to provide a rapid temperature sensor detection device, which solves the technical problem that existing technologies cannot rapidly detect resistance temperature sensors.

[0005] This utility model discloses a rapid temperature sensor detection device, which includes a housing. A first temperature display device and a second temperature display device are provided on the front side of the housing. A standard temperature sensor is provided outside the housing. The output terminal of the standard temperature sensor is connected to the input terminal of the first temperature display device. A connector for connecting to the output terminal of the temperature sensor being measured is provided on the front side of the housing. The connector is connected to the input terminal of the second temperature display device.

[0006] Furthermore, a DC power supply is provided inside the housing. The negative output terminal of the DC power supply is connected to the negative input terminal of the first temperature display device and the second temperature display device. The positive output terminal of the DC power supply is connected to one end of a switch, and the other end of the switch is connected to the positive input terminal of the first temperature display device and the second temperature display device.

[0007] Furthermore, the DC power source is a dry cell battery.

[0008] Furthermore, a connecting block is provided on one side of the upper end of the housing, and the standard temperature sensor is connected to the connecting block on the side facing the middle of the housing.

[0009] Furthermore, the connector is a bullet-shaped female insulated connector.

[0010] Compared with existing technologies, the advantages of this invention are positive and significant. By displaying the temperature readings of the first and second temperature display devices side-by-side, this invention allows for comparison of the measured values ​​of the temperature sensor under test with those of a standard temperature sensor. This enables rapid identification of the temperature sensor's status and determination of whether the temperature difference between the standard and measured values ​​is within quality requirements, thereby assessing the sensor's qualification. Attached Figure Description

[0011] Figure 1 This is a schematic diagram of the structure of this utility model.

[0012] Figure 2 This is the circuit diagram of this utility model.

[0013] The markings in the diagram are: 1. Housing; 101. Connecting block; 2. First temperature display device; 3. Second temperature display device; 4. Standard temperature sensor; 5. Socket; 6. DC power supply; 7. Switch; 8. Temperature sensor under test. Detailed Implementation

[0014] The present invention will be further described below with reference to the accompanying drawings and embodiments, but this does not limit the present invention.

[0015] like Figures 1-2 As shown, a rapid temperature sensor detection device of this utility model includes a housing 1. A first temperature display device 2 and a second temperature display device 3 are provided on the front side of the housing 1. A standard temperature sensor 4 is provided outside the housing 1. The output terminal of the standard temperature sensor 4 is connected to the input terminal of the first temperature display device 2. A connector 5 is provided on the front side of the housing 1 for connecting to the output terminal of the temperature sensor 8 being measured. The connector 5 is connected to the input terminal of the second temperature display device 3.

[0016] Furthermore, a DC power supply 6 is provided inside the housing 1. The negative output terminal of the DC power supply 6 is connected to the negative input terminal of the first temperature display device 2 and the second temperature display device 3. The positive output terminal of the DC power supply 6 is connected to one end of a switch 7. The other end of the switch 7 is connected to the positive input terminal of the first temperature display device 2 and the second temperature display device 3.

[0017] Furthermore, the DC power supply 6 is a dry cell battery.

[0018] Furthermore, a connecting block 101 is provided on one side of the upper end of the housing 1, and the standard temperature sensor 4 is connected to the connecting block 101 on the side facing the middle of the housing 1.

[0019] Furthermore, the plug-in port 5 is a bullet-type female insulated connector.

[0020] Specifically, the standard temperature sensor 4, the measured temperature sensor 8, the first temperature display device 2, and the second temperature limiting device 3 in this utility model all adopt well-known solutions in the prior art. The standard temperature sensor 4 and the measured temperature sensor 8 can be PT100, and the first temperature display device 2 and the second temperature limiting device 3 can be ZS-PT100-SMG-TTL type temperature acquisition module produced by Zhong Sheng Technology (Dongguan) Co., Ltd.

[0021] When using this invention, first place the housing 1 with the standard temperature sensor 4 and the temperature sensor 8 to be measured in the same environment until the temperature of the standard temperature sensor 4 and the actual temperature of the temperature sensor 8 to be measured are equal. Then turn on the switch 7, and the first temperature display device 2 displays the temperature value measured by the standard temperature sensor 4. Then connect the wiring terminal of the temperature sensor 8 to the plug port 5 and observe whether the second temperature display device 3 displays a value. If the second temperature display device 3 does not display a value, the temperature sensor 8 to be measured is damaged. If the second temperature display device 3 displays a value, compare the value of the second temperature display device 3 with the value of the first temperature display device 2. If the temperature value difference exceeds the quality requirements, it is a defective product; if the temperature value difference is within the quality requirements, it is a qualified product.

[0022] The DC power supply 6 supplies power to the first temperature display device 2 and the second temperature display device 3. The switch 7 controls the opening and closing of the DC power supply 6. The use of dry batteries as the DC power supply 6 facilitates quick replacement and allows for continuous measurement.

[0023] The standard temperature sensor 4 is connected to the connecting block 101 so that the standard temperature sensor 4 is located in the middle of the upper side of the housing 1. The standard temperature sensor 4 can be exposed to the air and is in the same ambient temperature as the temperature sensor 8 being measured. At the same time, it can avoid contact with the standard temperature sensor 4 when holding the housing 1. The standard temperature sensor 4 is connected to the first temperature display device 2 through the connecting block 101 and the circuit inside the housing 1.

[0024] The plug-in port 5 uses a bullet-shaped female insulated connector. The temperature value can be displayed by inserting the wiring terminal of the temperature sensor 8 to be measured into the plug-in port 5, which can meet the needs of quick plugging and unplugging.

[0025] Taking the detection of a PT100 temperature sensor as an example: The PT100 temperature sensor generally uses a three-wire connection, consisting of one A terminal and two B terminals. Therefore, the number of connectors 5 can be set to three, corresponding to the three wires of the temperature sensor 8 being measured. The connector 5 at the A terminal can be set to white, and the connector 5 at the B terminal can be set to red. Connect the connectors 5 to the input terminals of the ZS-PT100-SMG-TTL temperature acquisition module. The ZS-PT100-SMG-TTL temperature acquisition module has a built-in display function, which can display the test temperature of the PT100 temperature sensor in real time.

Claims

1. A rapid temperature sensor detection device, characterized in that: The device includes a housing (1), on the front side of which a first temperature display device (2) and a second temperature display device (3) are provided. A standard temperature sensor (4) is provided outside the housing (1). The output end of the standard temperature sensor (4) is connected to the input end of the first temperature display device (2). A plug-in port (5) is provided on the front side of the housing (1) for connecting to the output end of the temperature sensor (8) being measured. The plug-in port (5) is connected to the input end of the second temperature display device (3).

2. The rapid temperature sensor detection device as described in claim 1, characterized in that: A DC power supply (6) is provided inside the housing (1). The negative output terminal of the DC power supply (6) is connected to the negative input terminal of the first temperature display device (2) and the second temperature display device (3). The positive output terminal of the DC power supply (6) is connected to one end of a switch (7). The other end of the switch (7) is connected to the positive input terminal of the first temperature display device (2) and the second temperature display device (3).

3. The rapid temperature sensor detection device as described in claim 2, characterized in that: The DC power supply (6) is a dry cell battery.

4. The rapid detection device for temperature sensors as described in claim 1, characterized in that: A connecting block (101) is provided on one side of the upper end of the housing (1), and the standard temperature sensor (4) is connected to the connecting block (101) on one side facing the middle of the housing (1).

5. The rapid detection device for temperature sensors as described in claim 1, characterized in that: The plug-in port (5) is a bullet-type female insulated connector.

Images