Automobile air temperature measuring plate based on negative temperature coefficient

Abstract

The utility model provides an automobile air temperature measuring plate based on a negative temperature coefficient, relates to the technical field of temperature sensor manufacturing, and aims to solve the problems that a thermistor is damaged by external force and is not easy to disassemble and maintain quickly, and electrode pins of the thermistor and a conductor plate are easy to fall off when being impacted in a driving process, so that the measuring effect of a device is influenced. Comprising a control board, a protection board and a thermistor. The bottom of the control panel is fixedly connected with a shell, the outer ends of electrode pins make contact with conductor protruding blocks on the inner side of a conductor plate, clamping grooves are formed in the inner side of a protection plate, two sets of positioning blocks are fixedly installed on the inner side of the protection plate, and the clamping blocks in the shell are inserted into the clamping grooves formed in the inner side of the protection plate. According to the utility model, the thermistor can be quickly disassembled, assembled and maintained, the operation is convenient, the manufacturing and maintenance efficiency of the device is effectively improved, and the impact-resistant connection effect between the electrode pins and the conductor plate is effectively improved through the arrangement that the positioning blocks are matched with the conductor plate.

Description

Technical Field

[0001] The utility model belongs to the technical field of temperature sensor manufacturing, and more specifically, particularly relates to an automobile air temperature measuring plate based on a negative temperature coefficient. Background Art

[0002] NTC refers to the phenomenon and material of thermistor with negative temperature coefficient, in which the resistance decreases exponentially with the increase of temperature. NTC temperature sensors are widely used in automotive air conditioning, new energy battery packs, intake and exhaust, water tank temperature sensors and other fields. When using similar existing automotive air temperature measurement boards based on negative temperature coefficient, the thermistor is damaged by external force and is not easy to be quickly disassembled and maintained. In addition, the electrode pins of the thermistor and the conductor plate are easily detached due to impact during driving, affecting the measurement effect of the device. Utility Model Content

[0003] In order to solve the above technical problems, the utility model provides a car air temperature measurement board based on a negative temperature coefficient to solve the problems that the existing similar thermistors are damaged by external forces and are not easy to be quickly disassembled and maintained, and the electrode pins of the thermistor and the conductor plate are easily separated by impact during driving, affecting the measurement effect of the device.

[0004] The utility model is based on the automobile air temperature measuring plate of negative temperature coefficient, which is achieved by the following specific technical means:

[0005] An automobile air temperature measurement board based on a negative temperature coefficient comprises a control board, a protection board and a thermistor;

[0006] The bottom of the control board is fixedly connected to a shell, and two groups of conductor plates are connected to the shell. Conductor protrusions are fixedly provided on the inner sides of the conductor plates at equal intervals. A group of protective base frames are glued and installed on the bottom of both sides of the shell respectively, and a group of limit plates are fixedly provided on the inner ends of the protective base frames. Two groups of card blocks are slidably installed inside the shell, and the outer ends of the card blocks are italic structures. A group of passage grooves are opened in the shell, and the two groups of conductor plates are fixedly installed at the two ends of the passage grooves on the shell. The protective plate is snap-fitted and installed on the outer ends of the shell, and the thermistor is snap-fitted and installed on the bottom of the shell. The limit plates on the protective base frame are in contact with the bottom surface of the thermistor, and the top of the thermistor is connected to two groups of electrode pins, and the outer ends of the electrode pins are respectively in contact with the conductor protrusions on the inner side of the conductor plate, and two groups of card slots are opened on the inner side of the protective plate, and two groups of positioning blocks are fixedly installed on the inner side of the protective plate, and the card blocks inside the shell are respectively plugged and installed on the card slots opened on the inner side of the protective plate.

[0007] In at least some embodiments, a group of elastic members are respectively sleeved and installed on the fixed rods at both ends inside the shell, and the outer ends of the elastic members are respectively in contact with the inner end surfaces of the moving cylinders on the clamping blocks.

[0008] In at least some embodiments, a group of mounting grooves are formed at the bottom of the shell, and the thermistors are snap-fitted and mounted on the mounting grooves formed at the bottom of the shell.

[0009] In at least some embodiments, a group of movable cylinders are fixedly installed on the inner end of the block, a group of sliding holes are opened on the inner side of the movable cylinders, a group of fixed rods are fixedly installed on the two ends of the interior of the shell, and the sliding holes on the inner side of the movable cylinders are slidably installed on the fixed rods at the two ends of the interior of the shell.

[0010] In at least some embodiments, a group of docking grooves are opened in the middle of the two groups of positioning blocks of the protective plate, and the docking grooves on the protective plate are snap-fitted and installed on the partition in the middle of the passage groove, and the outer end of the positioning block is an italic structure, and the outer end surface of the positioning block is respectively in contact with the inner side surfaces of the two groups of electrode pins on the thermistor.

[0011] In at least some embodiments, a group of partitions is fixedly installed in the middle of the passage slot of the shell, and two groups of electrode pins of the thermistor are respectively placed at two ends of the partition in the middle of the passage slot.

[0012] In at least some embodiments, two groups of connection grooves are opened at the outer end of the shell, two groups of connection blocks are fixedly installed at the inner end of the protective plate, and the two groups of connection blocks at the inner end of the protective plate are respectively plugged into the connection grooves at the outer end of the shell.

[0013] Compared with the prior art, the automobile air temperature measuring plate based on negative temperature coefficient of the utility model has the following beneficial effects:

[0014] 1. The setting of the protective plate is conducive to respectively plugging and installing the two groups of connecting blocks at the inner end of the protective plate on the connecting grooves at the outer end of the shell, and the two groups of card blocks move inward at the same time. When the protective plate moves to the fixed position, under the action of the elastic member on the fixing rod, the two groups of card blocks move outward at the same time, and the card blocks inside the shell are respectively plugged and installed on the card grooves opened on the inner side of the protective plate, so as to quickly limit and fix the thermistor. Similarly, the two groups of card blocks are moved inward at the same time using tools to disassemble the protective plate and the thermistor, so that the device is convenient for quick disassembly and maintenance of the thermistor, and the operation is convenient, which effectively improves the manufacturing and maintenance efficiency of the device.

[0015] 2. The setting of the passage groove is conducive to the installation on the partition in the middle of the passage groove through the docking groove on the protective plate. The outer ends of the electrode pins are respectively in contact with the conductor protrusions on the inner side of the conductor plate, and the outer end faces of the positioning blocks are respectively in contact with the inner side faces of the two groups of electrode pins on the thermistor, which effectively improves the impact-resistant connection effect between the electrode pins and the conductor plate, and avoids the electrode pins and the conductor plate from falling off due to impact during driving, affecting the measurement effect of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1It is a front axial view schematic diagram of the utility model.

[0017] Figure 2 It is a rear side shaft view schematic diagram of the utility model.

[0018] Figure 3 It is a schematic diagram of disassembly and assembly of the protective plate of the utility model.

[0019] Figure 4 It is a schematic diagram of the inner side of the protective plate of the utility model.

[0020] Figure 5 It is a schematic diagram of the installation of the card block of the utility model.

[0021] Figure 6 It is a schematic diagram of the installation of the electrode pins of the utility model.

[0022] In the figure, the corresponding relationship between the component names and the figure numbers is as follows:

[0023] 1. Control board; 2. Shell; 201. Protective chassis; 2011. Limit plate; 202. Connection slot; 203. Block; 2031. Moving cylinder; 204. Fixing rod; 2041. Elastic member; 205. Conductor plate; 2051. Conductor bump; 206. Mounting slot; 207. Passage slot; 2071. Partition; 3. Protective plate; 301. Connection block; 3011. Block; 302. Positioning block; 3021. Docking slot; 4. Thermistor; 401. Electrode pin. DETAILED DESCRIPTION

[0024] The implementation of the utility model is further described in detail below in conjunction with the drawings and examples.

[0025] As attached Figure 1 As shown in Appendix 6:

[0026] Embodiment 1: The utility model provides a car air temperature measurement board based on a negative temperature coefficient, comprising a control board 1, a protection board 3 and a thermistor 4;

[0027] The bottom of the control board 1 is fixedly connected to the shell 2, and two sets of conductor plates 205 are connected inside the shell 2. Conductor protrusions 2051 are fixedly provided on the inner sides of the conductor plates 205 at equal distances. A set of protective frames 201 are glued and installed on the bottoms of both sides of the shell 2. A set of limit plates 2011 are fixedly provided on the inner ends of the protective frames 201. Two sets of clamping blocks 203 are slidably installed inside the shell 2. The outer ends of the clamping blocks 203 are italic structures. A set of passage grooves 207 are opened in the shell 2. The two sets of conductor plates 205 are fixedly installed at the two ends of the passage grooves 207 on the shell 2. The protective plates 3 are clamped. Installed on the outer end of the shell 2, the thermistor 4 is snap-fitted and installed on the bottom of the shell 2, the limit plate 2011 on the protective base frame 201 contacts the bottom surface of the thermistor 4, the top of the thermistor 4 is connected with two groups of electrode pins 401, and the outer ends of the electrode pins 401 are respectively in contact with the conductor protrusions 2051 on the inner side of the conductor plate 205, two groups of card slots 3011 are opened on the inner side of the protective plate 3, two groups of positioning blocks 302 are fixedly installed on the inner side of the protective plate 3, and the card blocks 203 inside the shell 2 are respectively plugged and installed on the card slots 3011 opened on the inner side of the protective plate 3.

[0028] like Figures 3 to 5 As shown, two groups of connecting grooves 202 are provided at the outer end of the shell 2, two groups of connecting blocks 301 are fixedly installed at the inner end of the protective plate 3, and the two groups of connecting blocks 301 at the inner end of the protective plate 3 are respectively plugged and installed on the connecting grooves 202 at the outer end of the shell 2, a group of moving cylinders 2031 are fixedly installed at the inner end of the block 203, and a group of sliding holes are provided on the inner side of the moving cylinder 2031, and a group of fixing rods 204 are respectively fixedly installed at both ends of the interior of the shell 2, and the sliding holes on the inner side of the moving cylinder 2031 are respectively slidably installed on the fixing rods 204 at both ends of the interior of the shell 2, and a group of elastic members 2041 are respectively sleeved and installed on the fixing rods 204 at both ends of the interior of the shell 2, and the outer ends of the elastic members 2041 are respectively in contact with the inner end surfaces of the moving cylinders 2031 on the block 203; specifically, the sliding holes on the inner side of the moving cylinder 2031 are respectively slidably installed on the fixing rods 204 at both ends of the interior of the shell 2, The outer end of the card block 203 is an italic structure, and the two groups of connecting blocks 301 at the inner end of the protective plate 3 are respectively plugged and installed on the connecting groove 202 at the outer end of the shell 2, and the two groups of card blocks 203 move inward at the same time. When the protective plate 3 moves to the fixed position, under the action of the elastic member 2041 on the fixing rod 204, the two groups of card blocks 203 move outward at the same time, and the card blocks 203 inside the shell 2 are respectively plugged and installed on the card groove 3011 opened on the inner side of the protective plate 3 to quickly limit and fix the protective plate 3. The inner side of the protective plate 3 contacts the top outer end surface of the thermistor 4, that is, the thermistor 4 is quickly limited and fixed. Similarly, the two groups of card blocks 203 are moved inward at the same time using tools to disassemble the protective plate 3 and the thermistor 4, so that the device is convenient for quick disassembly and maintenance of the thermistor 4, and the operation is convenient, which effectively improves the manufacturing and maintenance efficiency of the device.

[0029] Embodiment 2: Based on Embodiment 1, Figure 4 and Figure 6 As shown, a group of mounting grooves 206 are opened at the bottom of the shell 2, and the thermistor 4 is snap-fitted and installed on the mounting grooves 206 opened at the bottom of the shell 2. A group of partitions 2071 are fixedly installed in the middle of the passage groove 207 of the shell 2, and two groups of electrode pins 401 of the thermistor 4 are respectively placed at the two ends of the partition 2071 in the middle of the passage groove 207.

[0030] A group of docking grooves 3021 are provided between the two groups of positioning blocks 302 of the protective plate 3, and the docking grooves 3021 on the protective plate 3 are snap-fitted and installed on the partition 2071 in the middle of the passage groove 207, and the outer end of the positioning block 302 is an italic structure, and the outer end surface of the positioning block 302 is respectively in contact with the inner side surfaces of the two groups of electrode pins 401 on the thermistor 4; specifically, the thermistor 4 is snap-fitted and installed on the mounting groove 206 provided at the bottom of the housing 2, and the two groups of electrode pins 401 of the thermistor 4 are respectively placed on the partition 207 in the middle of the passage groove 207 1, and the docking groove 3021 on the protective plate 3 is snap-fitted and installed on the partition 2071 in the middle of the passage groove 207, the outer ends of the electrode pins 401 are respectively in contact with the conductor protrusions 2051 on the inner side of the conductor plate 205, and the outer end faces of the positioning blocks 302 are respectively in contact with the inner side faces of the two groups of electrode pins 401 on the thermistor 4, which effectively improves the impact-resistant connection effect between the electrode pins 401 and the conductor plate 205, and avoids the electrode pins 401 and the conductor plate 205 from being impacted and falling off during driving, which affects the measurement effect of the device.

[0031] The specific usage and function of this embodiment are as follows:

[0032] When the utility model is in use, the sliding holes on the inner side of the moving cylinder 2031 are respectively slidably installed on the fixing rods 204 at both ends inside the shell 2, and the outer ends of the card blocks 203 are italic structures. The two groups of connecting blocks 301 at the inner ends of the protective plate 3 are respectively plugged and installed on the connecting grooves 202 at the outer ends of the shell 2, and the two groups of card blocks 203 move inward at the same time. When the protective plate 3 moves to the fixed position, under the action of the elastic member 2041 on the fixing rod 204, the two groups of card blocks 203 move outward at the same time, and the card blocks 203 inside the shell 2 are respectively plugged and installed on the card grooves 3011 opened on the inner side of the protective plate 3, so as to quickly limit and fix the protective plate 3, and the inner side of the protective plate 3 contacts the top outer end surface of the thermistor 4, that is, the thermistor 4 is quickly limited and fixed. Similarly, the two groups of card blocks 203 are moved inward at the same time using a tool to disassemble the protective plate 3 and the thermistor 4. Thereby, the device is convenient for quick disassembly, assembly and maintenance of the thermistor 4, and the operation is convenient, which effectively improves the manufacturing and maintenance efficiency of the device; the thermistor 4 is snap-fitted and installed on the installation groove 206 opened at the bottom of the shell 2, and the two groups of electrode pins 401 of the thermistor 4 are respectively placed at the two ends of the partition 2071 in the middle of the passage groove 207, and the docking groove 3021 on the protective plate 3 is snap-fitted and installed on the partition 2071 in the middle of the passage groove 207, and the outer ends of the electrode pins 401 are respectively in contact with the conductor protrusions 2051 on the inner side of the conductor plate 205, and the outer end faces of the positioning blocks 302 are respectively in contact with the inner side faces of the two groups of electrode pins 401 on the thermistor 4, which effectively improves the impact-resistant connection effect between the electrode pins 401 and the conductor plate 205, and avoids the electrode pins 401 and the conductor plate 205 from being impacted and falling off during driving, which affects the measurement effect of the device.

[0033] In this article, there are a few points to note:

[0034] 1. The drawings of the embodiments of the present disclosure only involve structures related to the embodiments of the present disclosure, and other structures may refer to general designs.

[0035] 2. In the absence of conflict, the embodiments of the present disclosure and the features therein may be combined with each other to obtain new embodiments.

[0036] The above are only specific embodiments of the present disclosure, but the protection scope of the present disclosure is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed in the present disclosure, which should be included in the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be based on the protection scope of the claims.

Claims

1. A car air temperature measurement board based on a negative temperature coefficient, comprising a control board (1), a protection board (3) and a thermistor (4); The bottom of the control panel (1) is fixedly connected to a housing (2), which is characterized in that: Two groups of conductor plates (205) are connected inside the shell (2), and conductor protrusions (2051) are fixedly provided on the inner sides of the conductor plates (205) at equal intervals. A group of protective frames (201) are respectively glued and installed on the bottoms of both sides of the shell (2), and a group of limit plates (2011) are fixedly provided on the inner ends of the protective frames (201). Two groups of clamping blocks (203) are slidably installed inside the shell (2), and the outer ends of the clamping blocks (203) are of an italic structure. A group of passage grooves (207) are opened inside the shell (2), and the two groups of conductor plates (205) are fixedly installed at the two ends of the passage grooves (207) on the shell (2). The protective plates (3) are clamped and installed on the outer ends of the shell (2). The protective plate (3) is provided with two groups of card slots (3011), the inner side of the protective plate (3) is fixed with two groups of positioning blocks (302), and the card blocks (203) inside the housing (2) are respectively plugged and installed on the card slots (3011) provided on the inner side of the protective plate (3).

2. The automobile air temperature measuring board based on negative temperature coefficient according to claim 1, characterized in that: The outer end of the shell (2) is provided with two groups of connection grooves (202), the inner end of the protective plate (3) is fixedly mounted with two groups of connection blocks (301), and the two groups of connection blocks (301) at the inner end of the protective plate (3) are respectively plugged and mounted on the connection grooves (202) at the outer end of the shell (2).

3. The automobile air temperature measurement board based on negative temperature coefficient according to claim 1, characterized in that: A group of moving cylinders (2031) are fixedly mounted on the inner end of the block (203), a group of sliding holes are opened on the inner side of the moving cylinder (2031), a group of fixing rods (204) are fixedly mounted on the two ends of the interior of the shell (2), and the sliding holes on the inner side of the moving cylinder (2031) are slidably mounted on the fixing rods (204) at the two ends of the interior of the shell (2).

4. The automobile air temperature measurement board based on negative temperature coefficient according to claim 1, characterized in that: A group of elastic members (2041) are respectively sleeved and installed on the fixed rods (204) at both ends inside the shell (2), and the outer ends of the elastic members (2041) are respectively in contact with the inner end surfaces of the moving cylinders (2031) on the clamping block (203).

5. The automobile air temperature measurement board based on negative temperature coefficient according to claim 1, characterized in that: A group of mounting grooves (206) are provided at the bottom of the shell (2), and the thermistor (4) is snap-fitted and mounted on the mounting grooves (206) provided at the bottom of the shell (2).

6. The automobile air temperature measurement board based on negative temperature coefficient according to claim 1, characterized in that: A group of partitions (2071) are fixedly installed in the middle of the passage groove (207) of the shell (2), and two groups of electrode pins (401) of the thermistor (4) are respectively placed at the two ends of the partition (2071) in the middle of the passage groove (207).

7. The automobile air temperature measurement board based on negative temperature coefficient according to claim 1, characterized in that: A group of docking grooves (3021) are provided in the middle of the two groups of positioning blocks (302) of the protective plate (3), and the docking grooves (3021) on the protective plate (3) are snap-fitted and installed on the partition (2071) in the middle of the passage groove (207), and the outer ends of the positioning blocks (302) are italic structures, and the outer end surfaces of the positioning blocks (302) are respectively in contact with the inner side surfaces of the two groups of electrode pins (401) on the thermistor (4).

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